{"title":"Heathrow Scientific Tube Racks","description":null,"products":[{"product_id":"heathrow-fold-snap-tube-rack-13mm","title":"Heathrow Scientific Fold \u0026 Snap Test Tube Rack - HS243073 Series - 90-Place, 13mm, Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBulky tube racks take up valuable bench and storage space — and flimsy designs flex, tip, and crack under autoclave conditions. The Heathrow Scientific Fold \u0026amp; Snap Test Tube Rack solves both problems at once. It ships completely flat in a single piece and snaps into its rigid 90-well configuration in seconds without tools. Once assembled, the polypropylene frame holds its shape through repeated autoclave cycles and withstands full immersion in water baths — making it one of the most space-efficient, versatile racks available for 13mm tube workflows.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesigned for 5–10 mL tubes with 13mm well diameter, each rack holds 90 tubes in a compact 9.6 × 4.1 × 2.4 in footprint. The open-well design ensures uniform temperature exposure during incubations. Available in Blue, White, Red, and Yellow for color-coded sample organization across experiments or users.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFlat-Pack Storage and Shipping:\u003c\/strong\u003e Ships and stores as a single flat polypropylene sheet — dramatically reduces storage volume. Snap together on demand in seconds, no tools required.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard autoclave cycles at 121°C — sterilize between uses without warping, cracking, or discoloration.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath Compatible:\u003c\/strong\u003e Stable base design prevents tipping during temperature-controlled incubations — holds all 90 tubes upright in full water bath immersion.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOpen Well Design for Uniform Incubation:\u003c\/strong\u003e Exposed tube sides allow consistent heat and gas exchange — samples across all 90 positions heat and cool at the same rate.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e4 Colors for Sample Tracking:\u003c\/strong\u003e Blue, White, Red, and Yellow allow different experiments, sample sets, or users to each use a designated color — eliminates mix-ups in shared labs.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e90-Place High Capacity:\u003c\/strong\u003e Holds 90 × 13mm tubes in a 9.6 × 4.1 in footprint — maximizes bench utilization during high-throughput workflows without crowding the workspace.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS243073B, HS243073W, HS243073R, HS243073Y\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–10 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.6 x 4.1 x 2.4 in (24.5 x 10.5 x 6.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White, Red, Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.35 lb (0.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrobiology and cell culture — benchtop holding of 5–10 mL culture tubes during inoculation, incubation, and sampling steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWater bath incubations requiring a stable, submersible rack that holds tubes fully upright at temperature without tipping\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClinical and diagnostic labs using color-coded rack assignment by sample type or patient batch to prevent cross-sample contamination\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching and training labs needing economical, high-capacity tube organization that can be autoclaved between student sessions\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat size tubes fit the HS243073 Fold \u0026amp; Snap rack?\u003cbr\u003e\u003c\/strong\u003eThis rack is designed for 13mm diameter tubes in the 5–10 mL range — standard 10 mL glass culture tubes, 5 mL round-bottom tubes, and similar 13mm-diameter labware fit securely in all 90 wells.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this rack be used fully submerged in a water bath?\u003cbr\u003e\u003c\/strong\u003eYes. The stable polypropylene base and open-well construction make this rack fully compatible with water bath use. Water circulates freely around tubes for uniform heating across all 90 positions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the flat-pack assembly work?\u003cbr\u003e\u003c\/strong\u003eThe rack ships as a single flat polypropylene sheet. Fold along the pre-scored lines and snap the connecting tabs into place — the assembled rack locks rigidly and does not flex during use. No tools required.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eYes. Polypropylene withstands standard autoclave conditions at 121°C for 20 minutes. The rack can be sterilized between experiments or between users without degradation to the snap joints or well geometry.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this tube rack from virgin polypropylene for consistent chemical resistance and structural integrity. Each rack is designed to maintain well-diameter consistency across all 90 positions and stable assembly geometry through repeated autoclave and water bath cycles.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075079123176,"sku":"HS243073B","price":15.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":48075079155944,"sku":"HS243073W","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":48075079188712,"sku":"HS243073R","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48075079221480,"sku":"HS243073Y","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_4e0b9475-a4c0-4653-9cf0-67bedf0c6ebd.jpg?v=1771817194"},{"product_id":"heathrow-pop-up-tube-rack-combo","title":"Heathrow Scientific Pop-Up Tube Rack - HS24320 Series - 15mL and 50mL Combo, Pack of 2","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMost tube racks force a choice: buy a 15 mL rack or a 50 mL rack — two separate pieces of equipment taking up permanent bench space. The Heathrow Scientific HS24320 Pop-Up Tube Rack eliminates that trade-off. A single rack holds both 15 mL conical tubes in 21 dedicated 17mm wells and 50 mL conical tubes in 12 dedicated 29mm wells — covering the two most-used centrifuge tube sizes in one compact, collapsible unit.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe pop-up mechanism collapses the rack flat in seconds for drawer storage or stacking, then springs open fully when needed — no assembly, no tools. An alphanumeric identification grid across all 33 positions enables precise sample tracking without secondary labeling. Each order includes a Pack of 2 racks in your choice of Blue or Pink.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDual-Format: Holds Both 15mL and 50mL Tubes:\u003c\/strong\u003e 21 wells (17mm) for 15 mL conical tubes and 12 wells (29mm) for 50 mL conical tubes in one rack — replaces two single-format racks.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePop-Up Mechanism - Instant Open and Close:\u003c\/strong\u003e Collapses flat for compact storage and stacking between uses — pops fully open without assembly or adjustment when needed.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eStackable Design:\u003c\/strong\u003e Collapsed racks stack neatly on top of each other — ideal for labs ordering in bulk or rotating racks in and out of active use.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAlphanumeric Well Identification:\u003c\/strong\u003e All 33 positions are individually labeled for fast, accurate sample retrieval — compatible with LIMS tube tracking and lab notebook documentation.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 2 - Blue or Pink:\u003c\/strong\u003e Each order includes 2 racks in the same color — deploy across two workflows simultaneously or keep one as a backup.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePolypropylene Construction:\u003c\/strong\u003e Chemical-resistant and durable for everyday bench use in research, clinical, and industrial laboratory environments.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24320B (Blue), HS24320P (Pink)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 wells, 17mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 wells, 29mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mL and 50 mL conical tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 x 5.4 x 2.8 in (25.5 x 13.7 x 7.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.14 lb per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture workflows using both 15 mL and 50 mL conical tubes for media preparation, cell counting, and sample transfer steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMolecular biology sample preparation where both tube sizes are active simultaneously — eliminating the need to swap between two dedicated racks\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpace-constrained labs or shared benches where a collapsible, stackable design is essential to maximize available workspace\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBiochemistry and protein work using standard Falcon-style conical tubes for precipitation, centrifugation, and fraction collection steps\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDoes the combo rack hold both 15mL and 50mL tubes at the same time?\u003cbr\u003e\u003c\/strong\u003eYes. The HS24320 has two distinct well sections — 21 wells sized for 15 mL conical tubes (17mm) and 12 wells sized for 50 mL conical tubes (29mm). Both sections are available simultaneously, so you can run 15 mL and 50 mL tube workflows in parallel without switching racks.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the pop-up mechanism work?\u003cbr\u003e\u003c\/strong\u003eThe rack uses a spring-action polypropylene frame that collapses flat under light pressure and snaps open to full operating height when released. No latches, no assembly — open and close in under a second.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan the collapsed racks be stacked?\u003cbr\u003e\u003c\/strong\u003eYes. Collapsed racks stack flat on top of each other, making bulk storage efficient. This is particularly useful for labs that purchase in case quantities and cycle through racks as disposables.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eThe HS24320 is not specifically rated for autoclave use. For applications requiring sterile tube racks, consider the Heathrow Scientific Fold \u0026amp; Snap or GFPP Peg Rack series, which are autoclavable.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific designs the Pop-Up Tube Rack for reliable everyday bench performance in research, clinical, and industrial labs. The polypropylene frame is tested for consistent pop-up action and stable well geometry across both the 15 mL and 50 mL tube sections.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075165729000,"sku":"HS24320B","price":42.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":48075165761768,"sku":"HS24320P","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_a68f316a-a01a-488f-96c4-978224bd64f4.jpg?v=1771817201"},{"product_id":"heathrow-pop-up-tube-rack-15ml","title":"Heathrow Scientific Pop-Up Tube Rack - HS24318 - 15mL 45-Place, Pack of 2","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen your workflow runs on 15 mL conical tubes, you need maximum capacity without permanently sacrificing bench space. The Heathrow Scientific HS24318 Pop-Up Tube Rack holds 45 standard 15 mL tubes in 17mm wells — the highest 15 mL capacity in the Pop-Up line — and collapses completely flat when the run is done. No disassembly, no shuffling racks around the bench: collapse, stack, and put it away in one motion.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe alphanumeric identification grid across all 45 positions enables precise tube tracking without adhesive labels or secondary markers on the rack itself. The polypropylene frame is durable for everyday lab use. Each order includes a Pack of 2 racks in Purple.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e45-Place High Capacity for 15mL Tubes:\u003c\/strong\u003e Maximum 15 mL tube capacity in the Pop-Up rack family — holds an entire batch of conical tubes in one organized rack without crowding the bench.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePop-Up Mechanism:\u003c\/strong\u003e Collapses flat for compact drawer or cabinet storage between uses — pops instantly to full operating height when needed with no assembly.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eStackable When Collapsed:\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAlphanumeric Well Identification:\u003c\/strong\u003e All 45 positions individually labeled — enables precise tube-to-position tracking for sample management and LIMS integration.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e17mm Wells for Standard 15mL Conical Tubes:\u003c\/strong\u003e Securely holds all major-brand 15 mL conical tubes (Falcon®-style) without rocking or tipping during pipetting and handling.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 2:\u003c\/strong\u003e Two racks per order — run two protocols in parallel or keep a spare ready without placing a separate order.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24318\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mL conical tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 x 5.4 x 2.8 in (25.5 x 13.7 x 7.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.10 lb per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture workflows requiring organized benchtop holding of 15 mL conical tubes during media preparation, cell counting, and centrifugation steps\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput sample processing batches where 45-place capacity reduces the number of racks needed to hold a full run of 15 mL tubes\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpace-constrained shared labs where racks must collapse and store flat between experiments to keep shared bench areas clear\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGenomics and nucleic acid extraction workflows using standard 15 mL elution and collection tubes throughout the protocol\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill standard Falcon® 15 mL tubes fit this rack?\u003cbr\u003e\u003c\/strong\u003eYes. The 17mm well diameter accommodates standard 15 mL conical centrifuge tubes from all major manufacturers including Falcon®, Corning®, and equivalent brands. The well depth provides stable upright support without tipping.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow flat does it collapse — will it fit in a drawer?\u003cbr\u003e\u003c\/strong\u003eThe collapsed height is approximately 1.75 in (4.4 cm), making it suitable for standard lab drawer storage. Multiple collapsed racks stack flat on each other, so a full case of racks can be stored in a compact space.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat is the difference between HS24318 and the HS24320 combo rack?\u003cbr\u003e\u003c\/strong\u003eThe HS24318 is a 15 mL-only rack with 45 dedicated 17mm wells — higher capacity for single tube size workflows. The HS24320 combo rack holds both 15 mL (21 wells) and 50 mL (12 wells) tubes simultaneously, but with fewer total 15 mL positions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eThe HS24318 is not rated for autoclave use. For sterile applications requiring autoclaved racks, the Heathrow Scientific Fold \u0026amp; Snap and GFPP Peg Rack series are the appropriate choices.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific designs the HS24318 Pop-Up Tube Rack for reliable daily bench performance. The polypropylene frame is tested for consistent pop-up spring action and stable 17mm well geometry across all 45 positions throughout the product's service life.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Purple","offer_id":48075165794536,"sku":"HS24318","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_89653755-6672-41f9-9981-110a130a104f.jpg?v=1771817202"},{"product_id":"heathrow-pop-up-tube-rack-50ml","title":"Heathrow Scientific Pop-Up Tube Rack - HS24319 - 50mL 18-Place, Pack of 2","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStandard 50 mL conical tube racks are either permanently fixed on the bench or awkward to store. The Heathrow Scientific HS24319 Pop-Up Tube Rack solves both problems: 18 dedicated 30mm wells hold 50 mL Falcon-style tubes upright and secure during active use, and the entire rack collapses flat for drawer or cabinet storage in seconds — no tools, no latches, no disassembly.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAn alphanumeric identification grid across all 18 positions supports sample tracking without adhesive labels on the rack. Collapsed racks stack flat for efficient bulk storage. Each order includes a Pack of 2 racks in Green.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDedicated 50mL Format - 18 Wells at 30mm:\u003c\/strong\u003e Purpose-built for 50 mL conical tubes — 30mm wells provide a secure, stable fit for standard Falcon®-style tubes without wobbling during pipetting.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePop-Up Mechanism - Instant Open and Close:\u003c\/strong\u003e Collapses flat in one motion for storage — snaps to full operating height without assembly when needed. Frees bench space between experiments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eStackable When Collapsed:\u003c\/strong\u003e Flat racks stack neatly for efficient storage of multiple units — useful for labs that keep several racks in rotation across different experiment batches.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAlphanumeric Well Identification:\u003c\/strong\u003e All 18 positions labeled for precise sample tracking and LIMS-compatible tube-to-position documentation.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 2:\u003c\/strong\u003e Two racks per order for immediate dual-workflow deployment or one active rack with a backup on hand.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePolypropylene Construction:\u003c\/strong\u003e Chemically resistant and durable for daily bench use across research, clinical, and industrial lab environments.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24319\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mL conical tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 x 5.4 x 2.8 in (25.5 x 13.7 x 7.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.10 lb per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture media preparation using 50 mL conical tubes for large-volume reagent mixing, aliquoting, and sterile filtration steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eProtein purification workflows using 50 mL tubes for column fraction collection, dialysis, and concentration steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpace-constrained shared labs where dedicated bench space for tube racks is not available between experiments\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEnvironmental and food testing labs running large-volume sample processing protocols in 50 mL conical format\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill standard 50 mL Falcon® tubes fit securely?\u003cbr\u003e\u003c\/strong\u003eYes. The 30mm wells are sized for the standard outer diameter of 50 mL conical centrifuge tubes from all major manufacturers. Tubes seat securely without wobbling during pipetting and sample handling.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eShould I get the HS24319 (50mL only) or the HS24320 combo rack?\u003cbr\u003e\u003c\/strong\u003eChoose the HS24319 if your workflow exclusively uses 50 mL tubes and you want maximum 50 mL capacity (18 wells vs 12 in the combo). Choose the HS24320 combo if you regularly run both 15 mL and 50 mL tubes in the same workflow and want to manage both in a single rack.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow compact is the collapsed rack?\u003cbr\u003e\u003c\/strong\u003eCollapsed height is approximately 1.75 in (4.4 cm). Collapsed racks stack flat, making it practical to store 5–10 racks in a single drawer or cabinet shelf.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eThe HS24319 is not rated for autoclave use. For autoclavable 50 mL tube organization, consider the Heathrow Scientific Snap-Together Conical Tube Rack (HS24306) or the 4-Way Tube Rack series.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific designs the HS24319 Pop-Up Tube Rack for reliable daily performance with standard 50 mL conical tubes. The polypropylene frame is tested for consistent pop-up spring action and stable 30mm well geometry across all 18 positions.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Green","offer_id":48075165860072,"sku":"HS24319","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_21ce45ef-b9e3-48d0-a0b5-4cefe0d02258.jpg?v=1771817203"},{"product_id":"heathrow-fold-snap-tube-rack-17mm","title":"Heathrow Scientific Fold \u0026 Snap Tube Rack - HS243077 Series - 60-Place, 17mm, Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe midpoint of the tube size spectrum — 5 to 15 mL — is where culture tubes, serology tubes, and standard round-bottom tubes all live. The Heathrow Scientific HS243077 Fold \u0026amp; Snap Tube Rack was built for exactly this range. With 60 wells at 17mm diameter, it holds more tubes per rack than the 21mm model while accommodating the wider tube profiles that the 13mm model can't fit. And like all Fold \u0026amp; Snap racks, it ships completely flat and assembles in seconds — no tools, no complex interlocking parts, just fold and snap.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe polypropylene construction withstands full autoclave cycles and water bath immersion. The open well design ensures uniform temperature exposure across all 60 tube positions during incubations. Available in Blue, White, Red, and Yellow for color-coded sample organization.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e17mm Wells for 5–15mL Tubes:\u003c\/strong\u003e Covers the mid-range tube diameter — fits culture tubes, serology tubes, and round-bottom labware that fall between the 13mm and 21mm well sizes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFlat-Pack Storage and Shipping:\u003c\/strong\u003e Ships as a single flat polypropylene sheet — drastically reduces storage volume vs. pre-assembled racks. Fold and snap together in seconds on demand.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e60-Place High Capacity:\u003c\/strong\u003e More wells per footprint than the 21mm model — maximizes bench utilization for workflows running large numbers of mid-size tubes simultaneously.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard 121°C autoclave cycles — sterilize between experiments or users without warping, cracking, or joint failure.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath Compatible:\u003c\/strong\u003e Stable base holds all 60 tubes upright during temperature-controlled water bath incubations — open well design ensures uniform heat distribution.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e4 Colors for Sample Tracking:\u003c\/strong\u003e Blue, White, Red, and Yellow enable color-coded organization across experiments, projects, or users in shared labs.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS243077B, HS243077W, HS243077R, HS243077Y\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–15 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.6 x 4.2 x 2.8 in (24.5 x 10.8 x 7.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White, Red, Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.35 lb (0.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eChoosing the Right Fold \u0026amp; Snap Size\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWell Diameter\u003c\/th\u003e\n\u003cth\u003eTube Size\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243073 (13mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003ctd\u003e5–10 mL\u003c\/td\u003e\n\u003ctd\u003e90 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243077 (17mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\u003ctd\u003e5–15 mL\u003c\/td\u003e\n\u003ctd\u003e60 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243071 (21mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 mm\u003c\/td\u003e\n\u003ctd\u003e5–30 mL\u003c\/td\u003e\n\u003ctd\u003e40 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrobiology and serology workflows using standard 10–15 mL round-bottom glass or plastic culture tubes that are too wide for 13mm racks\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWater bath incubations requiring stable, submersible rack support for tubes in the 5–15 mL range\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching labs needing affordable, autoclavable racks that can be sterilized and reused across multiple student groups\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput clinical and diagnostic labs using color-coded rack assignments to separate sample batches or patient groups\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tube sizes fit the 17mm Fold \u0026amp; Snap rack?\u003cbr\u003e\u003c\/strong\u003eThis rack is designed for tubes with 17mm outer diameter in the 5–15 mL range. This includes standard 10 mL and 15 mL glass culture tubes, serology tubes, and similar 17mm-diameter round-bottom labware. It will not securely hold standard 15 mL conical (Falcon-style) tubes, which have a wider conical base — for those, use the HS24311 Peg Rack or HS24318 Pop-Up Rack.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the 17mm model differ from the 13mm and 21mm Fold \u0026amp; Snap racks?\u003cbr\u003e\u003c\/strong\u003eSee the comparison table above. The 17mm model is the mid-range option — more wells than the 21mm rack, wider wells than the 13mm rack. Choose based on the outer diameter of your tubes, not the tube volume alone.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this rack be used in a water bath?\u003cbr\u003e\u003c\/strong\u003eYes. The stable polypropylene base and open-well construction make this rack fully compatible with water bath use at standard laboratory temperatures.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs assembly permanent or can it be collapsed for storage?\u003cbr\u003e\u003c\/strong\u003eOnce snapped together, the Fold \u0026amp; Snap rack is a rigid, fixed structure — it is not designed to re-collapse after assembly. The flat-pack benefit is for pre-assembly storage and shipping, not repeated collapse cycles.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this rack from virgin polypropylene for consistent chemical resistance and structural integrity. Each rack is tested to confirm stable snap-joint assembly, consistent 17mm well geometry across all 60 positions, and dimensional stability through autoclave and water bath cycling.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075165892840,"sku":"HS243077B","price":15.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":48075165925608,"sku":"HS243077W","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":48075165958376,"sku":"HS243077R","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48075165991144,"sku":"HS243077Y","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_5dcfb93c-2f38-4e68-ab4d-c1053f5c1baf.jpg?v=1771817205"},{"product_id":"heathrow-fold-snap-tube-rack-21mm","title":"Heathrow Scientific Fold \u0026 Snap Tube Rack - HS243071 Series - 40-Place, 21mm, Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLarger-diameter tubes — 20 to 30 mL culture tubes, Universal tubes, wide serology formats — have no natural home in most rack lines. The 13mm and 17mm racks are too narrow; the conical tube racks are the wrong shape. The Heathrow Scientific HS243071 Fold \u0026amp; Snap Tube Rack fills this gap with 40 wells at 21mm diameter, covering tubes from 5 to 30 mL that fall outside every other rack in the Fold \u0026amp; Snap line.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLike all Fold \u0026amp; Snap racks, it ships flat in a single polypropylene piece, assembles without tools in seconds, withstands autoclave cycles, and performs in water baths. Open well design ensures uniform incubation temperatures across all 40 positions. Available in Blue, White, Red, and Yellow for color-coded sample management.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e21mm Wells - Widest Fold \u0026amp; Snap Format:\u003c\/strong\u003e Accommodates tubes from 5–30 mL with 21mm outer diameter — covers the large-diameter tube formats excluded by the 13mm and 17mm models.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFlat-Pack Storage and Shipping:\u003c\/strong\u003e Ships as a single flat sheet — minimal storage footprint before assembly. Fold along scored lines and snap into 40-well configuration in seconds.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard 121°C sterilization cycles — suitable for labs requiring sterile tube organization between experiments or users.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath Compatible:\u003c\/strong\u003e Stable base maintains all 40 tubes upright during submersible water bath incubations. Open wells allow uniform temperature distribution.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e4 Colors for Sample Organization:\u003c\/strong\u003e Blue, White, Red, and Yellow allow color-coded assignment across experiments, sample types, or users in multi-project lab environments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCompact 9.8 × 4.2 in Footprint:\u003c\/strong\u003e 40-place capacity in a bench-efficient profile — fits standard lab bench depths without overhanging edges.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS243071B, HS243071W, HS243071R, HS243071Y\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–30 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.8 x 4.2 x 2.8 in (24.9 x 10.8 x 7.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White, Red, Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.35 lb (0.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eChoosing the Right Fold \u0026amp; Snap Size\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWell Diameter\u003c\/th\u003e\n\u003cth\u003eTube Size\u003c\/th\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243073 (13mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003ctd\u003e5–10 mL\u003c\/td\u003e\n\u003ctd\u003e90 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243077 (17mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17 mm\u003c\/td\u003e\n\u003ctd\u003e5–15 mL\u003c\/td\u003e\n\u003ctd\u003e60 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHS243071 (21mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 mm\u003c\/td\u003e\n\u003ctd\u003e5–30 mL\u003c\/td\u003e\n\u003ctd\u003e40 wells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLarge-diameter culture tube workflows using 20–25 mL Universal tubes or other wide-format glass or plastic labware not served by narrower rack formats\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWater bath incubations requiring stable upright support for wide-diameter tubes across extended temperature-controlled protocols\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMixed tube-size labs needing autoclavable racks that cover the 21mm diameter range not addressed by other Fold \u0026amp; Snap models\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching and training labs requiring economical, color-coded tube racks that can be sterilized between student groups\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill 15 mL Falcon-style conical tubes fit the 21mm rack?\u003cbr\u003e\u003c\/strong\u003eStandard 15 mL conical tubes typically have a ~17mm outer diameter at the body, so they fit loosely in 21mm wells. For a snug, secure fit in 15 mL conical tubes, the HS24311 Peg Rack or HS24318 Pop-Up Rack (17mm wells) are better choices. The 21mm Fold \u0026amp; Snap is optimized for round-bottom tubes in the 21mm outer diameter range.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat types of 20–30 mL tubes fit the 21mm wells?\u003cbr\u003e\u003c\/strong\u003eStandard 25 mL Universal tubes (21mm OD), wide serology tubes, and other round-bottom glass or plastic tubes with 20–21mm outer diameters. If you're unsure whether your specific tube fits, measure the outer diameter at the tube body — wells accommodate up to 21mm OD.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does this compare to the 13mm and 17mm Fold \u0026amp; Snap models?\u003cbr\u003e\u003c\/strong\u003eSee the size comparison table above. The 21mm model trades higher capacity (40 vs 60 or 90 wells) for wider well diameter — use it when tube OD exceeds 17mm.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs assembly permanent?\u003cbr\u003e\u003c\/strong\u003eYes. Once snapped together, the rack is a rigid structure and is not designed to re-collapse. The flat-pack format is for pre-assembly storage and shipping efficiency.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this rack from virgin polypropylene for consistent structural integrity and chemical resistance. Each rack is tested to confirm stable snap-joint assembly and consistent 21mm well geometry across all 40 positions through autoclave and water bath cycling.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075166056680,"sku":"HS243071B","price":15.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":48075166089448,"sku":"HS243071W","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":48075166122216,"sku":"HS243071R","price":15.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48075166154984,"sku":"HS243071Y","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_ed57d0aa-6489-4099-af63-46e9892ec91c.jpg?v=1771817208"},{"product_id":"heathrow-4-way-tube-rack","title":"Heathrow Scientific 4-Way Tube Rack - HS29022 Series - Holds 4 Tube Sizes, Interlocking, Pack of 5","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEvery bench has all four of them: 50 mL Falcon tubes, 15 mL conical tubes, 1.5 mL microcentrifuge tubes, and 0.5 mL microfuge tubes. Most labs have four different racks to hold them. The Heathrow Scientific HS29022 4-Way Tube Rack holds all four tube sizes simultaneously in a single interlocking segment — and five segments snap together to double, triple, or quadruple capacity without crowding the bench.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEach segment provides 4 wells at 30mm (50 mL tubes), 12 wells at 17.5mm (15 mL tubes), 32 wells at 8.2mm (0.5 mL microfuge), and 32 wells at 11.6mm (1.5\/2.0 mL microcentrifuge). Autoclavable, water bath compatible, and freezer-safe. Available in seven colors — including an Assorted 5-pack spanning Blue, Green, Yellow, Orange, and Pink — for immediate color-coded sample organization across multiple users or projects.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHolds All 4 Tube Sizes Simultaneously:\u003c\/strong\u003e A single rack segment accommodates 50 mL (30mm), 15 mL (17.5mm), 1.5\/2.0 mL (11.6mm), and 0.5 mL (8.2mm) tubes in dedicated well rows — one rack replaces four.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eInterlocking Segments:\u003c\/strong\u003e Each pack includes 5 individual rack segments that snap together side-by-side to create a longer rack — mix and match colors or align segments to scale capacity for any workflow size.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eMolded Alphanumeric Identification:\u003c\/strong\u003e Permanent molded grid markings across all well rows enable fast, reliable tube location and retrieval — no adhesive labels required on the rack itself.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard 121°C sterilization — racks can be autoclaved between experiments or users without warping, cracking, or well deformation.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath and Freezer Compatible:\u003c\/strong\u003e Chemical-resistant polypropylene construction withstands both elevated water bath temperatures and sub-zero freezer storage — one rack works across the full temperature range of standard lab workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e7 Color Options Including Assorted:\u003c\/strong\u003e Choose a single color for uniform organization or select the Assorted 5-pack (Blue, Green, Yellow, Orange, Pink) for immediate multi-user or multi-project color coding without ordering multiple SKUs.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 5 Segments:\u003c\/strong\u003e Five interlocking segments per pack — use individually, snap together as needed, or distribute across bench stations for maximum organizational flexibility.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS29022A–G\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5 interlocking segments\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions per Segment (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.9 x 3.7 x 2.1 in (17.4 x 9.5 x 5.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 wells, 30mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 wells, 17.5mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1.5\/2.0mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 wells, 11.6mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0.5mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 wells, 8.2mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Bath Safe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFreezer Compatible\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural, Blue, Green, Pink, Yellow, Orange, Assorted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.7 lb per pack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eWell Capacity Summary\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTube Size\u003c\/th\u003e\n\u003cth\u003eWell Diameter\u003c\/th\u003e\n\u003cth\u003eWells per Segment\u003c\/th\u003e\n\u003cth\u003eWells per 5-Pack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e50 mL conical\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e15 mL conical\u003c\/td\u003e\n\u003ctd\u003e17.5 mm\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1.5\/2.0 mL microcentrifuge\u003c\/td\u003e\n\u003ctd\u003e11.6 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.5 mL microfuge\u003c\/td\u003e\n\u003ctd\u003e8.2 mm\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e160\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMolecular biology and genomics workflows where multiple tube sizes are active simultaneously — PCR tubes, microfuge aliquots, 15 mL reagent tubes, and 50 mL buffers all within reach on a single rack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture and protein work requiring concurrent access to microcentrifuge tubes for enzyme aliquots and large conical tubes for media — eliminating the need to reach across multiple rack types during active protocols\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eShared labs assigning individual rack segments to different users — 5 interlocking segments allow each researcher to have a color-coded personal rack from a single pack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClinical and diagnostic labs running multi-tube sample processing workflows in water baths where a single autoclavable rack holds all required tube formats\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat does Pack of 5 mean — are these 5 identical racks or 5 segments that form one rack?\u003cbr\u003e\u003c\/strong\u003eEach pack includes 5 individual rack segments. Each segment is a complete, standalone 4-way rack that holds all four tube sizes on its own. The segments are also designed to interlock side-by-side, so you can snap 2, 3, 4, or all 5 together into a single extended rack for higher capacity. The Assorted pack (HS29022G) includes one each of Blue, Green, Yellow, Orange, and Pink.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill standard 1.5 mL and 2.0 mL microcentrifuge tubes both fit the same wells?\u003cbr\u003e\u003c\/strong\u003eYes. The 11.6mm wells accommodate both standard 1.5 mL and 2.0 mL microcentrifuge tube outer diameters — the two sizes are interchangeable in the same well row.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan the interlocked rack be separated after snapping together?\u003cbr\u003e\u003c\/strong\u003eYes. The interlocking mechanism is designed for repeated connection and separation — segments can be rearranged, redistributed, or used individually without damage to the connectors.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this rack be autoclaved and used in a water bath in the same experiment?\u003cbr\u003e\u003c\/strong\u003eYes. The polypropylene construction withstands both autoclave sterilization (121°C) and water bath temperatures, as well as freezer storage — making it compatible with temperature-cycling workflows without requiring separate rack sets.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhich color option gives me the most organizational flexibility?\u003cbr\u003e\u003c\/strong\u003eThe Assorted 5-pack (HS29022G) provides five different colors (Blue, Green, Yellow, Orange, Pink) in a single order — ideal for shared labs where color coding is assigned by user, project, or sample type from day one.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures the 4-Way Tube Rack from chemical-resistant polypropylene tested for dimensional accuracy across all four well sizes and structural integrity through repeated autoclave, water bath, and freezer cycling. Interlocking connectors are tested for reliable repeated attachment and separation without fatigue failure.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Natural","offer_id":48075527684328,"sku":"HS29022A","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":48075527717096,"sku":"HS29022B","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":48075527749864,"sku":"HS29022C","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":48075527782632,"sku":"HS29022D","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48075527815400,"sku":"HS29022E","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":48075527848168,"sku":"HS29022F","price":57.0,"currency_code":"USD","in_stock":true},{"title":"Assorted","offer_id":48075527880936,"sku":"HS29022G","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_41702691-1513-4735-b8be-cceef3a04db7.jpg?v=1771817209"},{"product_id":"heathrow-snap-together-conical-tube-rack","title":"Heathrow Scientific Snap-Together Conical Tube Rack - HS24306 - 15mL and 50mL, ABS, 50-Place","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eA dedicated conical tube rack that ships flat, assembles without tools, and holds twice the tube count of most pop-up racks. The Heathrow Scientific HS24306 Snap-Together Conical Tube Rack accommodates 30 standard 15 mL tubes in 17mm wells and 20 standard 50 mL tubes in 28mm wells — all in a single compact footprint that snaps into a rigid ABS frame in seconds.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUnlike polypropylene pop-up racks, the HS24306 uses ABS (acrylonitrile butadiene styrene) — a harder, more dimensionally stable engineering-grade plastic that snaps together with more rigidity and resists deformation in water bath use. Alphanumeric identification across all positions supports sample tracking. Ships flat, stores flat, assembles on demand.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDual-Format: 30 Wells (15mL) + 20 Wells (50mL):\u003c\/strong\u003e High combined capacity for both tube sizes in one rack — 30 positions at 17mm for 15 mL conical tubes and 20 positions at 28mm for 50 mL conical tubes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eABS Construction - Superior Rigidity:\u003c\/strong\u003e Acrylonitrile butadiene styrene snaps together into a harder, more dimensionally stable frame than polypropylene — maintains well alignment and structural integrity during water bath use and high-volume sample handling.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFlat-Pack Storage and Shipping:\u003c\/strong\u003e Arrives as a flat component set — stores compactly before assembly, assembles into a rigid rack in seconds without tools or fasteners.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath Stable Design:\u003c\/strong\u003e ABS frame maintains its assembled geometry during submersible water bath incubations — reliable tube positioning throughout temperature-controlled protocols.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAlphanumeric Well Identification:\u003c\/strong\u003e Molded position labels across all 50 wells support precise sample tracking and LIMS-compatible tube-to-position documentation.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCompact 8.1 × 6.7 in Footprint:\u003c\/strong\u003e 50 total tube positions in a near-square bench footprint — efficient use of bench space for labs running parallel 15 mL and 50 mL conical tube workflows.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24306\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS (Acrylonitrile Butadiene Styrene)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 wells, 17mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e50mL Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 wells, 28mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mL and 50 mL conical tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.1 x 6.7 x 2.4 in (17.1 x 17.0 x 6.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOrange\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.40 lb (0.18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eHS24306 vs. Pop-Up Combo Rack (HS24320)\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHS24306 Snap-Together\u003c\/th\u003e\n\u003cth\u003eHS24320 Pop-Up Combo\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e15mL Wells\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e50mL Wells\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eSnap-together (permanent)\u003c\/td\u003e\n\u003ctd\u003ePop-up (collapsible)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eQty per Order\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eLower per rack\u003c\/td\u003e\n\u003ctd\u003eHigher (2 included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture media preparation and reagent management requiring organized simultaneous access to both 15 mL and 50 mL conical tube formats\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput sample processing where maximum combined 15 mL and 50 mL capacity in a single rack reduces bench clutter during batch runs\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWater bath protocols requiring a rigid, stable conical tube rack — ABS maintains better dimensional stability in water baths than polypropylene pop-up alternatives\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLabs ordering individual rack units for single-station use where pack-of-2 quantities are unnecessary\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat is the difference between ABS and polypropylene for a lab rack?\u003cbr\u003e\u003c\/strong\u003eABS is a harder, more rigid engineering plastic that snaps into a more structurally stable assembled form than polypropylene. It resists deformation under water bath conditions better than PP and maintains tighter well alignment after repeated handling. The trade-off is that ABS is generally not autoclave-compatible — if sterilization is required, the Fold \u0026amp; Snap (PP) or GFPP Peg Rack series are better choices.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eThe HS24306 is made from ABS and is not rated for autoclave use. For autoclavable conical tube organization, see the Heathrow Scientific GFPP Peg Rack (HS24311) or Fold \u0026amp; Snap series.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does this compare to the HS24320 Pop-Up Combo rack?\u003cbr\u003e\u003c\/strong\u003eThe HS24306 offers higher combined capacity (30+20 = 50 total positions vs 21+12 = 33) and a lower per-rack cost, but comes as a single unit versus a pack of 2. It also uses ABS rather than polypropylene, which provides better water bath rigidity. See the comparison table above.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOnce assembled, can the rack be taken apart and stored flat?\u003cbr\u003e\u003c\/strong\u003eThe snap-together connection is designed for a secure permanent assembly. Unlike the pop-up rack design, this rack is not intended for repeated collapse and re-expansion — it snaps together once for long-term use.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures the HS24306 Snap-Together Conical Tube Rack from ABS for superior snap-joint rigidity and dimensional stability in water bath environments. Each rack is tested for secure connector engagement and consistent well alignment across all 50 positions after assembly.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Orange","offer_id":48075527913704,"sku":"HS24306","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_12100d25-8266-45b9-96b3-e07e471c3c77.jpg?v=1771817210"},{"product_id":"heathrow-floating-tube-rack","title":"Heathrow Scientific Floating Microtube Rack - HS2166 - 18-Well, 0.2-2.0mL, Pack of 5","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTemperature-controlled incubations in water baths and ice containers require a rack that can go where standard benchtop racks cannot. The Heathrow Scientific HS2166 Floating Microtube Rack is engineered from high-density polyethylene (HDPE) foam that resists water absorption — it keeps microtubes stably afloat in water baths up to 70°C and can be pressed into crushed ice for cold sample holding, all without degrading or taking on water.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEach round disc holds 18 standard microcentrifuge tubes (0.2, 0.5, 1.5, and 2.0 mL) in 9.3mm wells and includes detachable carrying handles to lift all samples out of the bath simultaneously — no fishing for individual tubes. The bright blue color makes it easy to spot in crowded water baths. Each pack includes 5 floating racks for multi-bath or multi-user deployment.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHDPE Foam - Zero Water Absorption:\u003c\/strong\u003e High-density polyethylene foam construction resists water uptake even after extended submersion — racks stay buoyant and maintain tube position throughout long incubation protocols.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath and Ice Container Compatible:\u003c\/strong\u003e Stable floating in water baths up to 70°C; also suitable for use in ice buckets, ice tubs, and beakers — one rack covers both hot and cold temperature control applications.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDetachable Carrying Handles:\u003c\/strong\u003e Integrated handles allow retrieval of all 18 tubes from the bath in a single lift — eliminates the risk of tube drop and sample spillage when removing samples from baths.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e18 Wells for 0.2–2.0 mL Microtubes:\u003c\/strong\u003e 9.3mm wells accommodate all standard PCR tube (0.2 mL), microfuge tube (0.5 mL), and microcentrifuge tube (1.5\/2.0 mL) formats — one rack format for all small-volume tube sizes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eReusable and Cleanable:\u003c\/strong\u003e HDPE foam is easy to clean and resists chemical degradation from standard lab reagents — racks are reusable across multiple experiments and users.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 5:\u003c\/strong\u003e Five floating racks per pack for deployment across multiple water baths, users, or experiments simultaneously.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS2166\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Polyethylene (HDPE) Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 mL, 0.5 mL, 1.5 mL, 2.0 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter (rack)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 in (8.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePCR and enzyme reaction incubations in heated water baths where tube temperature control is critical — rack floats stably throughout the incubation period\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCold sample holding during enzymatic digests and ligation reactions where tubes must be kept on ice throughout preparation steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRNA and heat denaturation protocols requiring simultaneous water bath incubation of multiple microfuge tubes at defined temperatures\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMulti-user shared water baths where individual color-coded floating racks allow each researcher to identify and retrieve their own samples\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill the rack tip or flip over in a water bath?\u003cbr\u003e\u003c\/strong\u003eNo. The HDPE foam disc is designed with a low center of gravity and stable buoyancy distribution. Tubes seated in the 9.3mm wells keep the rack balanced — even with all 18 wells occupied, the rack maintains a level floating position in standard water bath tanks.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat is the maximum water bath temperature?\u003cbr\u003e\u003c\/strong\u003eThe HS2166 is rated for use up to 70°C. It is not suitable for autoclave or boiling water bath use. For applications above 70°C, use a thermostable tube holder or heat block instead.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this be used in an ice bucket with crushed ice (not liquid)?\u003cbr\u003e\u003c\/strong\u003eYes. The foam rack can be pressed into crushed ice for stable upright tube holding during cold-temperature sample preparation — a common use case for ligation, restriction digest setup, and other on-ice workflows.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow are the handles attached — are they permanent?\u003cbr\u003e\u003c\/strong\u003eThe carrying handles are detachable — they can be removed for tube loading and reattached for lifting all samples out of the bath simultaneously. They are designed for repeated attachment and removal without degradation.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures the HS2166 Floating Microtube Rack from closed-cell HDPE foam tested for consistent buoyancy, zero water absorption, and dimensional stability across the full 0°C to 70°C operating temperature range. Detachable handles are tested for repeated secure engagement without fatigue failure.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075528339688,"sku":"HS2166","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_d224e6b3-0393-4dca-8c86-43f21b5473be.jpg?v=1771817211"},{"product_id":"heathrow-microtube-rack-20-place","title":"Heathrow Scientific Bi-Level Microtube Rack - HS4284A - 20-Place, Interlocking, Pack of 6","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFlat, single-level microcentrifuge tube racks work fine until the bench gets crowded — then every tube looks the same from above and finding the right one slows everything down. The Heathrow Scientific HS4284A Microtube Rack solves this with a bi-level tiered design that staggers tubes in two rows at different heights, making labels and tube contents visible at a glance without picking anything up.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe front row features a finger slot for one-handed tube removal — no two-handed fumbling or knocking adjacent tubes. Large embossed index numbers across all 20 positions (10mm wells for 1.0, 1.5, and 2.0 mL tubes) allow fast sample identification. Racks interlock to scale capacity across the bench. Autoclavable polypropylene. Pack of 6 racks per order.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eBi-Level Tiered Design - Improved Visibility:\u003c\/strong\u003e Two rows staggered at different heights allow labels and tube contents to be seen from the front simultaneously — no lifting or moving tubes to find the one you need.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFinger Slot for Easy One-Handed Tube Removal:\u003c\/strong\u003e Front-row cutout allows finger-tip tube ejection with one hand — keeps the other hand free for pipettes, caps, or notes during active workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eEmbossed Index Numbers:\u003c\/strong\u003e Large, molded position numbers across all 20 wells enable fast sample identification and LIMS-compatible position tracking without adhesive rack labels.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eInterlocking Design - Scale Capacity:\u003c\/strong\u003e Individual racks interlock side-by-side to create extended rack arrays across the bench — increase capacity from 20 to 40, 60, or 120 positions without separate rack holders.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e10mm Wells for 1.0–2.0 mL Tubes:\u003c\/strong\u003e Accommodates standard 1.0 mL, 1.5 mL, and 2.0 mL microcentrifuge tube formats from all major manufacturers in the same well row.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard 121°C autoclave sterilization — racks can be autoclaved between experiments or users without deformation of the bi-level frame or well geometry.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 6:\u003c\/strong\u003e Six racks per pack — ideal for deploying across multiple bench stations or interlocking into a 60- or 120-position extended rack array from a single order.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS4284A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 per rack (10 front row + 10 rear row)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 mL, 1.5 mL, 2.0 mL microcentrifuge tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.3 x 3.5 x 2.0 in (21.1 x 9.0 x 5.0 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2 lb per pack of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput sample filling and retrieval workflows where tiered visibility and one-handed tube access improve bench efficiency during repetitive pipetting steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMolecular biology workflows requiring organized benchtop holding of multiple 1.5 mL or 2.0 mL tubes during reaction setup and incubation\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eShared labs where interlocked rack arrays provide scalable capacity without individual rack holders or additional bench accessories\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBiobanking and sample archiving operations where clear position indexing and efficient tube retrieval from large tube arrays are operational requirements\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat does bi-level mean — are tubes at different heights?\u003cbr\u003e\u003c\/strong\u003eYes. The bi-level design staggers the front row and rear row of wells at two different heights, so tubes in each row can be seen and accessed without removing the row in front. This is a significant ergonomic improvement over flat single-level racks in high-throughput settings where frequent tube access is required.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the interlocking work — do the racks connect end-to-end or side-by-side?\u003cbr\u003e\u003c\/strong\u003eRacks interlock side-by-side (left-right) to create a wider extended array. A full 6-pack interlocked forms a continuous 120-position microtube rack across the bench with a unified alphanumeric grid.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill 0.5 mL microfuge tubes fit the 10mm wells?\u003cbr\u003e\u003c\/strong\u003eNo. The 10mm wells are sized for 1.0–2.0 mL tubes. For 0.5 mL tubes, use the Heathrow Scientific 4-Way Tube Rack (HS29022 series) or Floating Microtube Rack (HS2166), both of which include 8.2mm or 9.3mm wells for smaller tube formats.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow many racks come per order?\u003cbr\u003e\u003c\/strong\u003eEach order at the listed price includes a Pack of 6 identical Blue microtube racks. All 6 can be interlocked immediately for a 120-position bench array, or distributed to individual bench stations or users.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures the HS4284A Microtube Rack from polypropylene tested for consistent bi-level geometry, 10mm well diameter accuracy across all 20 positions, and structural integrity through autoclave cycling. Interlocking connectors are tested for reliable repeated engagement.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075528372456,"sku":"HS4284A","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_15ab52fc-4ea7-41f3-8375-51da556739e2.jpg?v=1771817212"},{"product_id":"heathrow-rota-rack-rotating-tube-rack","title":"Heathrow Scientific Rota-Rack® Rotating Tube Rack - HS29040B - 4 Adjustable Tube Sizes, Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMost multi-size tube racks lock you into a fixed well configuration. The Heathrow Scientific HS29040B Rota-Rack® changes that with a modular rotating design: each individual module within the rack can be twisted independently to expose a different well size — switching from 15 mL wells to 1.5\/2.0 mL wells to 0.5 mL wells to 0.2 mL wells with a simple rotation, without changing racks or removing tubes from adjacent positions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompatible with culture, centrifuge, microcentrifuge, and round, flat, or conical-bottomed tubes. Autoclavable polypropylene construction. Each Rota-Rack includes four color segments (Yellow, Green, Blue, Purple) for visual differentiation across the rack. Designed for labs that work across multiple tube sizes in a single experiment and need a single rack that adapts in real time.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eTwist-Adjustable Modules - 4 Tube Size Configurations:\u003c\/strong\u003e Each module rotates independently to expose 15 mL (16.4mm), 1.5\/2.0 mL (11.2mm), 0.5 mL (8mm), or 0.2 mL (6.5mm) wells — reconfigure individual positions without disturbing adjacent loaded modules.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCompatible with All Common Tube Formats:\u003c\/strong\u003e Supports culture, centrifuge, microcentrifuge, and PCR tube formats — round, flat, and conical-bottomed tubes all work within the appropriate module size setting.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eInterlocked Color Segments:\u003c\/strong\u003e Four color segments (Yellow, Green, Blue, Purple) provide built-in visual sample organization — assign colors to tube types, sample categories, or users within a single rack.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Full rack and all modular components withstand standard 121°C autoclave cycles — sterilize the complete assembled rack between experiments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCompact 8.2 × 3.9 × 3.9 in Footprint:\u003c\/strong\u003e Full-featured multi-size rack in a bench-efficient profile — replaces multiple single-size racks with one versatile unit.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCustomizable Per-Position Configuration:\u003c\/strong\u003e Unlike fixed-well multi-size racks, the Rota-Rack allows each position to be set independently — configure any combination of tube sizes within the same rack simultaneously.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS29040B\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRota-Rack®\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYellow, Green, Blue, Purple (assorted segments)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Size 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 wells at 16.4mm (15 mL tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Size 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 wells at 11.2mm (1.5\/2.0 mL tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Size 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 wells at 8mm (0.5 mL tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Size 4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 wells at 6.5mm (0.2 mL tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.2 x 3.9 x 3.9 in (21 x 10 x 10 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMulti-step molecular biology protocols where tube sizes change between steps — reconfigure the Rota-Rack in place rather than swapping to a different rack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGenomics and NGS library prep workflows that use 0.2 mL PCR tubes, 1.5 mL low-bind tubes, and 15 mL bead cleanup tubes in the same protocol\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching and training labs where a single adjustable rack supports instruction across different tube format exercises without maintaining multiple specialized racks\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpace-constrained benches where replacing 4 single-size racks with one Rota-Rack recovers significant bench area while maintaining full multi-size tube organization capability\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow do the rotating modules work — do they lock into position?\u003cbr\u003e\u003c\/strong\u003eEach module within the Rota-Rack is a cylindrical segment that rotates on a central axis with a twist. The modules click into the selected well-size position and remain stable during normal tube handling — they don't freely spin once set. A deliberate twist is required to change to a different well size configuration.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan I set different modules to different tube sizes at the same time?\u003cbr\u003e\u003c\/strong\u003eYes — that is the core design advantage of the Rota-Rack. Each module is completely independent. You could, for example, configure 3 modules at 1.5 mL, 2 modules at 0.5 mL, and 1 module at 15 mL simultaneously within the same rack.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat does the well count (6, 9, 12, 32) refer to?\u003cbr\u003e\u003c\/strong\u003eThese are the number of tube positions available in each module when rotated to that well size. The 15 mL configuration provides 6 positions per module (larger well diameter = fewer positions), while the 0.2 mL configuration provides 32 positions per module (smallest well = most positions).\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs the Rota-Rack compatible with Eppendorf® and Bio-Rad® branded microcentrifuge tubes?\u003cbr\u003e\u003c\/strong\u003eYes. The well sizes cover standard outer diameters for all major-brand 0.2 mL, 0.5 mL, 1.5 mL, 2.0 mL, and 15 mL tubes from Eppendorf®, Bio-Rad®, Corning®, and equivalent manufacturers.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific engineers the Rota-Rack® from polypropylene tested for reliable module rotation action, precise well geometry across all four tube size settings, and structural integrity through autoclave cycling. Each module's rotation mechanism is tested for consistent click-engagement and resistance to unintentional rotation during normal tube handling.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Assorted","offer_id":48075528405224,"sku":"HS29040B","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_5b4bb5ed-5f54-45bd-9143-6eefd6a2a07d.jpg?v=1771817214"},{"product_id":"heathrow-peg-tube-rack-96-place","title":"Heathrow Scientific Peg Tube Rack - HS24312 Series - 96-Place, 10-13mm, GFPP Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStandard plastic pegs warp after the first autoclave cycle — leaving your rack unable to hold tubes securely and forcing premature replacement. The Heathrow Scientific HS24312 Peg Tube Rack is built from fiberglass-reinforced polypropylene (GFPP), a material that maintains peg geometry through repeated sterilization cycles without bending, leaning, or splaying. Designed for 10–13mm diameter tubes up to 7 mL, this 96-place rack handles high-throughput sample organization on the benchtop or in cold storage.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAn embossed alphanumeric grid across all 96 positions lets researchers and clinicians locate and retrieve specific tubes instantly — no counting rows, no guessing. The open peg design provides clear visibility of tube contents and labels without removing tubes from the rack. Each order includes a Pack of 2 racks. Available in White and Blue for color-coded lab organization.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFiberglass-Reinforced Polypropylene (GFPP):\u003c\/strong\u003e Pegs maintain their geometry through repeated autoclave cycles — no warping, bending, or splaying that compromises tube retention after sterilization.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eEmbossed Alphanumeric Grid:\u003c\/strong\u003e All 96 positions are individually labeled with embossed row letters and column numbers — enables fast, error-free tube retrieval in large-batch workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOpen Peg Design for Visibility:\u003c\/strong\u003e Spacious peg spacing allows clear viewing of tube contents, cap colors, and labels without removing tubes from the rack — speeds up sample identification.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e96-Place High Capacity:\u003c\/strong\u003e Holds 96 tubes in a compact 3.2 × 5.0 in footprint — maximizes bench utilization and allows uniform organization of full 96-well plate equivalents.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eUniversal 10–13mm Well Diameter:\u003c\/strong\u003e Accommodates a wide range of standard 7 mL tube types from all major manufacturers — one rack works across multiple tube brands.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 2 - Color Choice:\u003c\/strong\u003e Each order includes 2 racks. Available in White or Blue for color-coded organization across experiments, users, or sample types.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24312A (White), HS24312B (Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass-Reinforced Polypropylene (GFPP)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Places\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 x 5.0 x 2.7 in (8.2 x 12.6 x 6.9 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.86 lb (0.39 kg) per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClinical chemistry and serology — organized benchtop holding of blood collection and serum tubes during processing and analysis\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput screening and compound management where 96-well format organization mirrors standard plate formats for easy cross-referencing\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrobiology culture tube storage where autoclavable racks must maintain peg integrity across repeated sterilization cycles\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBiobank and sample repository operations requiring reliable alphanumeric position tracking for large tube collections\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat does GFPP mean and why does it matter for autoclaving?\u003cbr\u003e\u003c\/strong\u003eGFPP stands for fiberglass-reinforced polypropylene. The fiberglass reinforcement prevents the peg tips from softening and bending under autoclave heat — a common failure in standard polypropylene racks. GFPP pegs stay straight and maintain their tube-holding geometry through repeated 121°C sterilization cycles.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat size tubes fit the HS24312 rack?\u003cbr\u003e\u003c\/strong\u003eThe HS24312 accommodates 10–13mm diameter tubes up to 7 mL. This includes standard 7 mL glass culture tubes, small serology tubes, and similar round-bottom labware in the 10–13mm outer diameter range.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the alphanumeric grid work?\u003cbr\u003e\u003c\/strong\u003eEach of the 96 positions is marked with an embossed row letter (A–H) and column number (1–12), matching standard 96-well plate coordinates. This lets you reference tube positions in lab notebooks or LIMS systems without ambiguity.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow many racks come in an order?\u003cbr\u003e\u003c\/strong\u003eEach order at the listed price includes a Pack of 2 racks. Both racks are the same color — choose White (HS24312A) or Blue (HS24312B) from the color selector above.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this peg tube rack from fiberglass-reinforced polypropylene (GFPP) to ensure structural integrity through repeated autoclave cycles. Each rack is designed to maintain consistent peg geometry and well spacing across the full 96-position grid, supporting accurate alphanumeric tube tracking in clinical and research applications.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"White","offer_id":48075648303336,"sku":"HS24312A","price":34.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":48075648336104,"sku":"HS24312B","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_8432cd40-7961-46e4-851c-3c453283bad9.jpg?v=1771817196"},{"product_id":"heathrow-peg-tube-rack-50-place","title":"Heathrow Scientific Peg Tube Rack - HS24311 Series - 50-Place, 14-17mm, GFPP Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLarger diameter tubes need a rack that can take the heat — literally. Standard polypropylene pegs warp after repeated autoclaving, leaving 14–17mm tubes loose and at risk of tipping. The Heathrow Scientific HS24311 Peg Tube Rack uses fiberglass-reinforced polypropylene (GFPP) to keep every peg straight and every tube secure through sterilization cycle after cycle. Designed for 14–17mm diameter tubes up to 10 mL, this 50-place rack handles the larger tube formats common in serology, virology, and culture workflows.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLike its 96-place sibling, the HS24311 features an embossed alphanumeric identification grid across all 50 positions for rapid, error-free tube retrieval. The open peg design gives clear visibility of tube labels and contents without removing tubes from the rack. Each order includes a Pack of 2 racks in your choice of White or Blue.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eGFPP Construction - Pegs Stay Straight:\u003c\/strong\u003e Fiberglass-reinforced polypropylene resists peg deformation at autoclave temperatures — maintains reliable tube support through hundreds of sterilization cycles.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eEmbossed Alphanumeric Identification:\u003c\/strong\u003e All 50 positions are individually labeled for fast location and retrieval — essential in high-throughput diagnostic and research environments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e14–17mm Well Diameter:\u003c\/strong\u003e Sized for larger culture and serology tubes in the 10 mL class — accommodates round-bottom glass tubes, vacutainer-style tubes, and similar 14–17mm labware.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOpen Peg Design:\u003c\/strong\u003e Clear sight lines to tube labels and contents without removal — speeds up sample checks during active workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCompact 7.4 × 4.1 in Footprint:\u003c\/strong\u003e 50-place capacity in a bench-friendly profile — efficient use of workspace during multi-tube processing workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003ePack of 2 - White or Blue:\u003c\/strong\u003e Each order includes 2 racks for immediate deployment across two workflows or benches. Color choice supports lab-wide color-coding systems.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24311A (White), HS24311B (Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFiberglass-Reinforced Polypropylene (GFPP)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Places\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14–17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.4 x 4.1 x 2.7 in (18.8 x 10.4 x 6.9 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.78 lb (0.35 kg) per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSerology and virology — organized benchtop holding of 10 mL round-bottom culture tubes during infection and incubation protocols\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClinical diagnostics — handling of vacutainer-style blood collection tubes in the 14–17mm diameter range during processing and centrifugation workflows\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrobiology labs requiring autoclavable tube racks that retain full structural integrity across routine sterilization schedules\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSample management in shared labs where color-coded racks assign different users or project groups to designated equipment\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the HS24311 differ from the HS24312?\u003cbr\u003e\u003c\/strong\u003eThe HS24311 is a 50-place rack with 14–17mm wells designed for larger 10 mL tubes. The HS24312 is a 96-place rack with 10–13mm wells for smaller 7 mL tubes. Both use the same GFPP construction and alphanumeric grid system.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWill standard 16mm glass culture tubes fit this rack?\u003cbr\u003e\u003c\/strong\u003eYes. The 14–17mm well diameter range accommodates standard 16mm glass culture tubes used in microbiology and serology. The peg spacing provides secure hold without overtightening.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan GFPP racks be autoclaved the same way as standard polypropylene?\u003cbr\u003e\u003c\/strong\u003eYes. GFPP is compatible with standard autoclave protocols at 121°C for 20 minutes. The advantage over plain PP is that GFPP pegs maintain their shape after autoclaving — plain PP pegs often soften and splay permanently over time.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow many racks come per order?\u003cbr\u003e\u003c\/strong\u003eEach order at the listed price includes a Pack of 2 racks — both in the same color. Select White (HS24311A) or Blue (HS24311B) using the color option above.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this peg tube rack from fiberglass-reinforced polypropylene (GFPP) to ensure peg integrity through repeated autoclave cycles. Each rack is designed for consistent well geometry, stable base support, and durable embossed alphanumeric markings that remain legible throughout the product's service life.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"White","offer_id":48075648860392,"sku":"HS24311A","price":31.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":48075648893160,"sku":"HS24311B","price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_ad949a0e-9eba-4a5c-a768-343c61718d5f.jpg?v=1771817198"},{"product_id":"heathrow-coated-wire-tube-rack","title":"Heathrow Scientific HDPE Coated Wire Tube Rack 20-25mm - Autoclavable, -40°C","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWire tube racks hold tubes securely while exposing the maximum surface area for visibility and access — no solid walls to obscure sample labels, no deep channels that trap condensation. The Heathrow Scientific HDPE Coated Wire Tube Rack takes this format and adds chemical resistance and temperature range: the HDPE (high-density polyethylene) coating resists the acids, solvents, and disinfectants common in laboratory environments, and the rack remains functional from -40°C through autoclave temperature.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAvailable in two formats: the compact 2×6 (12 wells, SKU 120085) for bench work where footprint is limited, and the 5×10 (50 wells, SKU 120086) for high-throughput sample handling and processing. Both accommodate 20–25 mm diameter tubes — covering bijou bottles, 50 mL conicals, universal sample vials, and other medium-to-large diameter laboratory containers.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eHDPE Coated Wire Construction:\u003c\/strong\u003e\u003c\/strong\u003e High-density polyethylene coating over the wire frame provides chemical resistance against acids, bases, alcohols, and common laboratory solvents — extends rack service life beyond uncoated wire racks in active use environments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e-40°C Low Temperature Rating:\u003c\/strong\u003e\u003c\/strong\u003e Maintains structural integrity and coating adhesion down to -40°C — suitable for cold room use, freezer sample staging, and cryogenic workflow pre-staging steps where samples are handled at low temperatures.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAutoclavable:\u003c\/strong\u003e\u003c\/strong\u003e HDPE coating and wire substrate survive standard autoclave cycles — sterilize for use in sterile processing environments without rack replacement.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e20–25 mm Well Diameter:\u003c\/strong\u003e\u003c\/strong\u003e Fits the common 50 mL conical tube OD (~28 mm at rim, fits loosely), bijou bottles, and most universal vials in the 20–25 mm range — check your tube OD before ordering if fit is critical.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eOpen Wire Design:\u003c\/strong\u003e\u003c\/strong\u003e Maximum sample label visibility from all angles — labels, cap colors, and tube contents remain visible without lifting tubes from the rack.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eTwo Format Options:\u003c\/strong\u003e\u003c\/strong\u003e 2×6 (120085) for compact bench use; 5×10 (120086) for high-throughput processing when 50-position capacity is needed.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003e120085 (2×6)\u003c\/th\u003e\n\u003cth\u003e120086 (5×10)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120085\u003c\/td\u003e\n\u003ctd\u003e120086\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 6 (12 wells)\u003c\/td\u003e\n\u003ctd\u003e5 × 10 (50 wells)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.9 × 2.7 × 1.26 in (17.6 × 6.8 × 3.2 cm)\u003c\/td\u003e\n\u003ctd\u003e11.5 × 6.1 × 1.26 in (29.1 × 15.6 × 3.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e20–25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eHDPE Coated Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Temp Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e-40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e20–25 mm dia. — bijou bottles, 50 mL conicals, universal vials\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eChemical processing workflows where rack chemical resistance is required for routine acid or solvent wipe-down without rack degradation\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCold room and refrigerated sample handling where -40°C rating maintains rack performance in chilled storage environments\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-throughput sample sorting with the 5×10 format (120086) — 50 positions in a single rack footprint for processing large sample batches\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBijou bottle and universal vial handling in microbiology, environmental sampling, and quality control labs\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tubes fit these racks?\u003cbr\u003e\u003c\/strong\u003eWells accept 20–25 mm outer diameter tubes — this covers most 50 mL conical tubes (outer diameter ~28 mm at the widest point but ~23–24 mm at the body where they rest in the well), standard bijou bottles (20 mm dia.), and universal vials in the 20–25 mm range. Measure your tube outer diameter at the point where it will rest in the well before ordering.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan I use these in a biosafety cabinet?\u003cbr\u003e\u003c\/strong\u003eYes — open wire design and compact footprint make these suitable for BSC use. The 2×6 format (120085) is particularly practical for BSC bench space. Both sizes autoclave for sterile BSC applications.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat is the difference between 120085 and 120086?\u003cbr\u003e\u003c\/strong\u003e120085 is a 2×6 format (12 wells, 6.9 × 2.7 in footprint) — compact, designed for bench work with a smaller number of tubes. 120086 is a 5×10 format (50 wells, 11.5 × 6.1 in footprint) for high-throughput use or shared racks holding larger sample sets.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HDPE Coated Wire Tube Racks are manufactured with a continuous HDPE coating applied over the full wire surface for chemical resistance and structural durability. Low temperature performance is verified to -40°C. Autoclave compatibility is confirmed for standard 121°C steam cycles.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"2×6 Format - 12 Wells","offer_id":48078562427112,"sku":"120085","price":25.0,"currency_code":"USD","in_stock":true},{"title":"5×10 Format - 50 Wells","offer_id":48078562459880,"sku":"120086","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_2fc5b20b-cd91-4739-8d49-42aa6d84bb88.jpg?v=1771854465"},{"product_id":"heathrow-reversible-pcr-tube-rack","title":"Heathrow Scientific Reversible PCR Tube Rack 0.2-2.0mL - Hinged Lid - Pack of 5 (HS2344A)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePCR tube racks typically hold one tube size — but PCR workflows do not. A molecular biology protocol may start with 0.2 mL PCR tubes, pass through 0.5 mL enzyme dilution tubes, and store products in 1.5 or 2.0 mL microcentrifuge tubes. The Heathrow Scientific HS2344A Reversible PCR Tube Rack holds all four sizes in a single rack by using two sides: flip it one way for 0.2 mL wells, flip it the other for 1.5\/2.0 mL wells. A second row accommodates 0.5 mL tubes on the same flip.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe attached hinged lid fits both sides of the rack — provides dust and contamination protection for stored samples regardless of which tube size is loaded. Autoclavable polypropylene. Supplied as a Pack of 5 assorted color racks (Blue, Green, Yellow, Orange, Pink) for color-coded workflow organization in shared labs.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eReversible Design — 4 Tube Sizes:\u003c\/strong\u003e\u003c\/strong\u003e One rack, two sides: one side holds 0.2 mL and 0.5 mL tubes; the other holds 1.5 mL and 2.0 mL microcentrifuge tubes. No additional racks needed for multi-size PCR workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eHinged Lid Fits Both Sides:\u003c\/strong\u003e\u003c\/strong\u003e The attached lid closes securely on both rack orientations — keeps dust and contaminants off sample tubes whether loaded with 0.2 mL or 1.5\/2.0 mL tubes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e\u003c\/strong\u003e Withstands standard autoclave cycles — sterilize before use in sterile processing workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e8.1 × 5.2 × 2.1 in Footprint:\u003c\/strong\u003e\u003c\/strong\u003e Compact format designed for biosafety cabinet and benchtop use in molecular biology workflows.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePack of 5 Assorted Colors:\u003c\/strong\u003e\u003c\/strong\u003e Blue, Green, Yellow, Orange, and Pink — use different colors to segregate samples by experiment, user, or status in shared lab environments.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS2344A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2 mL, 0.5 mL, 1.5 mL, 2.0 mL microcentrifuge tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReversible — flip for different tube size access\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAttached hinged lid, fits both sides\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.1 × 5.2 × 2.1 in (20.6 × 13.1 × 5.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors (Pack of 5)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, Green, Yellow, Orange, Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003ePCR and qPCR reaction setup where 0.2 mL PCR tubes need a secure, lidded rack during thermal cycler loading and plate staging\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMolecular biology multi-step protocols that transition between tube sizes — keep all sizes organized in a single rack through the entire workflow\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eShared labs with multiple users where color-coded racks (Pack of 5 colors) allow each user or experiment to have a dedicated rack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSample storage organization — hinged lid provides dust protection for short-term tube storage between workflow steps\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tube sizes does this rack actually hold?\u003cbr\u003e\u003c\/strong\u003eSide 1: 0.2 mL and 0.5 mL tubes (the side with smaller wells). Side 2: 1.5 mL and 2.0 mL tubes (the side with larger wells). The reversible design means the same rack handles all four sizes used in standard molecular biology microcentrifuge tube formats.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the hinged lid work on both sides?\u003cbr\u003e\u003c\/strong\u003eThe lid attaches to the rack body with a hinge and can close from either direction — the same lid snaps shut whether the rack is oriented for small or large tubes. This avoids needing separate lids for each orientation.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this suitable for thermal cycler block use?\u003cbr\u003e\u003c\/strong\u003eThe HS2344A is a storage and staging rack — it holds tubes during setup and storage but is not designed to fit inside a thermal cycler block. Use standard PCR plates or strip tubes for thermal cycling; use the HS2344A for staging, mixing, and transport.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS2344A PCR tube racks are manufactured from polypropylene with autoclave-compatible materials verified for standard 121°C steam cycles. The reversible hinge and lid mechanism are inspected for secure closure on both orientations before shipment.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Pack of 5","offer_id":48078562492648,"sku":"HS2344A","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_e199eae8-ca61-4c12-84dd-124ad06b406d.jpg?v=1771854466"},{"product_id":"heathrow-cube-tube-rack","title":"Heathrow Scientific Cube Tube Rack Multi-Size Interlocking - Autoclavable - Pack of 5 (HS29050A)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWhen samples span multiple tube sizes, a standard tube rack forces a choice: pick the rack for the largest tube and leave the small ones rattling, or use multiple racks and try to keep them aligned. The Heathrow Scientific HS29050A Cube Tube Rack solves this differently — its cube geometry allows multiple tube sizes to sit at the same working height on the same bench plane, with racks interlocking side-by-side to expand the working area.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEach cube accommodates tubes from 0.5 mL microcentrifuge up through 50 mL conicals in its various well positions — multi-size work stays organized on a single plane without separate rack heights creating pipetting access problems. Autoclavable polypropylene. Pack of 5 assorted colors (Blue, Green, Yellow, Orange, Pink) for color-coding by experiment or user.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eSame-Plane Multi-Size Format:\u003c\/strong\u003e\u003c\/strong\u003e The cube geometry puts different tube sizes at the same working height — pipette access is consistent across all tube sizes without adjusting technique for rack depth.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eInterlocking Design:\u003c\/strong\u003e\u003c\/strong\u003e Cubes interlock side-by-side to build a larger working array — combine multiple cubes to create a contiguous working surface for large sample sets.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eWide Tube Compatibility:\u003c\/strong\u003e\u003c\/strong\u003e Multiple well positions accommodate tubes from 0.5 mL microcentrifuge through 50 mL conical in a single rack unit.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAutoclavable PP:\u003c\/strong\u003e\u003c\/strong\u003e Standard autoclave-compatible polypropylene — sterilize for clean room and sterile processing applications.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e4.3 × 4.3 × 4.5 in Compact Cube:\u003c\/strong\u003e\u003c\/strong\u003e Designed for lab bench and biosafety cabinet use — does not dominate bench space per cube, and interlocking allows scaling to the work surface size.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePack of 5 Assorted Colors:\u003c\/strong\u003e\u003c\/strong\u003e Blue, Green, Yellow, Orange, Pink — identify experiments, users, or sample status by rack color.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS29050A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3 × 4.3 × 4.5 in (10.8 × 10.8 × 11.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 50mL, 8 × 15mL, 6 × 1.5\/2.0mL, 10 × 0.5mL (typical — see full spec sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterlocking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — side-by-side cube linking\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors (Pack of 5)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, Green, Yellow, Orange, Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMulti-size tube workflow management where samples span from microcentrifuge to conical tubes within a single protocol step\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eGenomics and NGS library preparation where 0.2 mL, 1.5 mL, and 15 mL tubes are all used in the same protocol on the same bench\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eShared lab environments where interlocking cubes allow each user to own their own cube while working on a combined bench surface\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching labs running multi-size protocols where all tube formats need to be visible and accessible simultaneously\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat well positions does the Cube Rack have?\u003cbr\u003e\u003c\/strong\u003eThe Cube Rack has multiple well types for different tube sizes — typically 2 wells for 50 mL, 8 for 15 mL, 6 for 1.5\/2.0 mL, and 10 for 0.5 mL per cube. Exact well counts may vary — check the product data sheet for the current well configuration.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow do the cubes interlock?\u003cbr\u003e\u003c\/strong\u003eThe side faces of each cube have interlocking geometry that snaps adjacent cubes together when placed side-by-side. Interlocked cubes move as a unit on the bench, preventing drift between individual racks during active pipetting use.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this different from the Rota-Rack?\u003cbr\u003e\u003c\/strong\u003eYes — the Cube Rack (HS29050A) has fixed wells in multiple sizes in a cube format. The Rota-Rack (HS29040B) uses twist-adjustable rotating modules that change the well size for each module independently. The Cube Rack is better when you need multiple tube sizes fixed in place simultaneously; the Rota-Rack is better when you need to change the tube size configuration of a module during a workflow.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS29050A Cube Racks are manufactured from autoclave-compatible polypropylene with verified interlocking geometry for stable multi-cube configuration. Colors are applied during molding for permanent color identification throughout the rack service life.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Pack of 5","offer_id":48078562525416,"sku":"HS29050A","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_a2032584-be77-4346-a6f1-073fa8e325d4.jpg?v=1771854467"},{"product_id":"heathrow-transformer-cube-rack","title":"Heathrow Scientific Transformer Cube Tube Rack 15 \u0026 50mL - -80°C Rated - Pack of 5 (HS23271A)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStoring 15 mL and 50 mL conical tubes takes disproportionate bench space compared to their volume — a single 50-position 50 mL conical rack occupies as much bench area as most other tube rack types combined. The Heathrow Scientific HS23271A Transformer Cube Tube Rack eliminates this problem: the cube body opens, reconfigures, and closes to hold either 50 mL or 15 mL tubes in a vertical stacking orientation that minimizes bench footprint.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWith a -80°C temperature rating, the Transformer Cube is also suitable for cryogenic freezer organization — one of the few conical tube racks rated for long-term ultra-low temperature storage. Purple polypropylene. Pack of 5. 9 wells for 15 mL, 16 wells for 50 mL tubes.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eTransforms Between 15 mL and 50 mL Configuration:\u003c\/strong\u003e\u003c\/strong\u003e The cube body opens and reconfigures to switch between the 16-well 50 mL format and the 9-well 15 mL format — one rack serves both common conical tube sizes.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e-80°C Rated:\u003c\/strong\u003e\u003c\/strong\u003e Maintains structural integrity and well geometry in ultra-low temperature freezers — suitable for long-term cryogenic sample storage in both 15 mL and 50 mL tube formats.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eCompact Cube Footprint:\u003c\/strong\u003e\u003c\/strong\u003e 5.3 × 5.3 × 5.1 in cube geometry stacks vertically — more storage capacity per bench area than flat-format conical racks.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e\u003c\/strong\u003e Sterilizable for clean room and sterile processing environments.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePack of 5, Purple:\u003c\/strong\u003e\u003c\/strong\u003e Five racks per pack — color coding for workflow organization in labs with multiple rack types.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS23271A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mL (9 wells) and 50 mL (16 wells) — configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.3 × 5.3 × 5.1 in (13.2 × 13.2 × 12.9 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Temp Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-80°C (ultra-low temperature freezer compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUltra-low temperature (-80°C) sample storage for 15 mL or 50 mL conical tubes where a cryogenic-rated rack is required\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact storage of 50 mL conical tubes in vertical format when bench or freezer shelf space is at a premium\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLarge-scale cell banking and biorepository workflows where 15 mL conical tubes are stored in freezers alongside 50 mL tubes in matching rack formats\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSample processing workflows that transition between 15 mL and 50 mL tubes within the same protocol step, using the transformer configuration to accommodate both sizes\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs HS23271A the only conical tube rack rated for -80°C freezer use?\u003cbr\u003e\u003c\/strong\u003eIt is one of a small number of polypropylene racks specifically rated to -80°C. Many standard tube racks are not rated below -20°C or -40°C. If your application requires ultra-low temperature storage for conical tubes, verify your rack is rated for the storage temperature before use.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the transformation between 15 mL and 50 mL work?\u003cbr\u003e\u003c\/strong\u003eThe cube body sections open on hinged panels that reconfigure the internal geometry from 50 mL well positions to 15 mL positions. Instructions are included with the rack. The transformation takes seconds and requires no tools.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan I use this in a standard benchtop centrifuge?\u003cbr\u003e\u003c\/strong\u003eThe Transformer Cube is a storage and staging rack, not a centrifuge carrier. Remove tubes from the rack before centrifugation. The -80°C rating applies to static storage, not centrifuge conditions.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS23271A Transformer Cube Racks are manufactured from polypropylene tested for structural integrity at -80°C and autoclave temperatures. The transformation mechanism is designed for repeated opening and reconfiguration without hinge fatigue under normal lab use.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Pack of 5","offer_id":48078562558184,"sku":"HS23271A","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_02b99c63-ffe5-41e4-9c54-c94470ea0743.jpg?v=1771854469"},{"product_id":"heathrow-universal-tube-rack","title":"Heathrow Scientific Universal Tube Rack 15-50mL Adjustable 12-Position (HS24330A)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMost tube racks are designed for one tube diameter — changing tube size means changing racks. The Heathrow Scientific HS24330A Universal Tube Rack uses an adjustable slot design that accommodates 15 to 50 mL conical tubes in the same 12-position rack by sliding the slot width to match the tube diameter. No tool required — adjust the slot, load the tube.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e12 positions with slots adjustable from 16 to 30 mm diameter. Purple\/white polypropylene, 7.6 × 5.5 × 2 in footprint.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAdjustable 16–30 mm Slot Width:\u003c\/strong\u003e\u003c\/strong\u003e The well slots adjust to the tube diameter — covers both 15 mL (approximately 16 mm OD) and 50 mL (approximately 28–30 mm OD) conical tubes in the same rack without changing or converting the rack.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e12 Well Positions:\u003c\/strong\u003e\u003c\/strong\u003e Sufficient capacity for a batch of samples without a footprint that dominates the bench.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eNo-Tool Adjustment:\u003c\/strong\u003e\u003c\/strong\u003e Slot width adjusts by hand — takes seconds to reconfigure from 15 mL to 50 mL format.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePolypropylene Construction:\u003c\/strong\u003e\u003c\/strong\u003e Chemical-resistant PP in purple\/white color for easy identification among other rack types.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003e7.6 × 5.5 in Footprint:\u003c\/strong\u003e\u003c\/strong\u003e Compact footprint compatible with biosafety cabinet, benchtop, and cold room use.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS24330A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mL and 50 mL conical tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16–30 mm (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.6 × 5.5 × 2 in (19.4 × 14 × 5.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePurple\/White\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMixed 15 mL and 50 mL tube workflows where a single rack that holds both sizes reduces the number of racks on the bench\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCell culture media preparation where both 15 mL and 50 mL conicals are used in the same protocol step\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching labs where tube size varies by exercise and a single universal rack serves multiple setups without rack inventory management\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSmall labs where rack inventory is limited and a multi-size single rack reduces the required number of dedicated racks\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this rack hold tubes of different sizes simultaneously?\u003cbr\u003e\u003c\/strong\u003eThe slot width adjusts globally — all 12 slots are set to the same width. To hold 15 mL and 50 mL tubes simultaneously in the same rack, the slot width would need to be at both diameters at once, which is not possible. Set the slot for one size at a time. For simultaneous multi-size holding, consider the Transformer Cube (HS23271A) or the 4-Way Rack (HS29022 series).\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tubes have a 16–30 mm outer diameter?\u003cbr\u003e\u003c\/strong\u003eStandard 15 mL conical tubes are approximately 16–17 mm OD at the body. Standard 50 mL conical tubes are approximately 27–29 mm OD. Most tubes within these two standard sizes will fit. Verify your tube OD before ordering if fit is critical.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this autoclavable?\u003cbr\u003e\u003c\/strong\u003eNot listed as autoclavable for HS24330A. For autoclavable tube rack options in 15\/50 mL formats, see the Pop-Up Tube Rack Combo (HS24320B) or the Transformer Cube Rack (HS23271A).\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS24330A Universal Tube Racks are manufactured from polypropylene with an adjustable slot mechanism designed for repeated repositioning without mechanism wear under normal lab use.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"1 Each","offer_id":48078562623720,"sku":"HS24330A","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_2b43a492-3c40-4f12-9727-c4fbacc11562.jpg?v=1771854472"},{"product_id":"heathrow-polystyrene-tube-rack-50ml","title":"Heathrow Scientific Polystyrene Tube Rack 50mL 1-Well Friction-Fit - Pack of 5 (HS23053A)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSingle-tube racks are the most compact tube-holding solution for benchtop and biosafety cabinet use: one tube, one position, no wasted rack footprint. The Heathrow Scientific HS23053A Polystyrene Friction-Fit Tube Rack is a 1-well disc-format rack that holds one 50 mL conical tube per unit in a 3.6-inch circular footprint.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSupplied as a Pack of 5 blue polystyrene units — useful as individual tube holders at reagent preparation stations, on BSC work surfaces, or alongside other single-tube manipulation instruments. Friction-fit means the tube is held securely without clips or separate retention hardware.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eSingle-Well Friction Fit:\u003c\/strong\u003e\u003c\/strong\u003e The 29 mm well holds one 50 mL conical tube securely by friction — no clips or separate hardware to add or lose.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eCompact 3.6 in Disc Format:\u003c\/strong\u003e\u003c\/strong\u003e Minimal bench footprint — sits alongside equipment, pipettes, and other tools without occupying rack-sized space.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePack of 5:\u003c\/strong\u003e\u003c\/strong\u003e Five units per pack — position one at each reagent station, biosafety cabinet position, or instrument port as needed.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003ePolystyrene Construction:\u003c\/strong\u003e\u003c\/strong\u003e Low-density, lightweight material — not autoclavable, designed for single-use or light-duty bench use where autoclaving is not required.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eBlue Color:\u003c\/strong\u003e\u003c\/strong\u003e Visible against benchtop and biosafety cabinet surfaces — reduces the risk of missing a tube or knocking over an unnoticed rack.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS23053A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mL conical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6 × 1.2 in diameter × height (9.2 × 3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReagent prep stations where a single 50 mL tube needs a stable position during pipetting without occupying a full multi-tube rack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBiosafety cabinet single-tube use where minimal rack footprint is required and only one tube needs to be held at a time\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEquipment-side tube positioning — hold a 50 mL tube adjacent to a centrifuge, vortex, or pipette rack without using a full multi-position rack\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTemporary tube parking during multi-step manual workflows where tubes are moved between positions one at a time\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs the polystyrene friction-fit rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eNo — polystyrene is not autoclave-compatible. For autoclavable single-tube 50 mL racks, see the HS23051 1-Well Wire Tube Rack (HDPE coated steel, autoclavable).\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDoes this hold the tube at an angle or upright?\u003cbr\u003e\u003c\/strong\u003eThe disc well holds the 50 mL tube upright and vertical — the conical bottom of the tube extends below the rack disc while the tube body is supported by the 29 mm well walls.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this hold 15 mL conical tubes?\u003cbr\u003e\u003c\/strong\u003eNo — the 29 mm well is sized for 50 mL conicals. A 15 mL tube (approximately 16 mm OD) would pass through the well. For 15 mL or mixed-size single-tube use, see the HS23051 Wire Rack.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS23053A polystyrene tube racks are manufactured for single-use and light-duty bench applications. Friction-fit is verified against standard 50 mL conical tube outer diameters before shipment.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Pack of 5","offer_id":48078562656488,"sku":"HS23053A","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_a68446a8-496b-4fc5-ae35-afe7f12fb3bc.jpg?v=1771854473"},{"product_id":"heathrow-wire-tube-rack-50ml","title":"Heathrow Scientific 1-Well Wire Tube Rack 50mL - HDPE Coated, Autoclavable - 1 Each (HS23051)","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThe 1-Well Wire Tube Rack is the minimum footprint solution for bench-holding a single 50 mL conical or round-bottom tube. At 3.5 × 2.6 × 2.6 in, it takes almost no bench space and holds the tube stable and upright — avoiding the tube-tipping problem that occurs when standing a 50 mL conical directly on bench or without a rack.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHDPE coated steel wire construction — autoclavable, resistant to routine laboratory chemicals, and rated for rough handling. Each pack contains 1 rack.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eMinimal Footprint:\u003c\/strong\u003e\u003c\/strong\u003e 3.5 × 2.6 × 2.6 in — smallest possible bench presence for a 50 mL tube holder. Positions at instrument edges, equipment ports, and reagent stations without consuming rack-sized bench space.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eHDPE Coated Steel Wire:\u003c\/strong\u003e\u003c\/strong\u003e Chemically resistant polyethylene coating over steel wire — resists acid and solvent splashes from adjacent work, and survives autoclave cycles for sterile use.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eAutoclavable:\u003c\/strong\u003e\u003c\/strong\u003e Steam sterilizable for use in sterile processing workflows where a clean-room rack is required.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eHolds Conical and Round-Bottom 50 mL Tubes:\u003c\/strong\u003e\u003c\/strong\u003e Wire basket geometry accommodates both conical-bottom and round-bottom 50 mL tube formats — open base design allows either tube geometry.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e\u003cstrong\u003eYellow Color:\u003c\/strong\u003e\u003c\/strong\u003e High visibility on benchtop surfaces — reduces the chance of missing or knocking over the rack in active workflows.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS23051\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mL conical and round-bottom\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 × 2.6 × 2.6 in (9 × 6.7 × 6.7 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE Coated Steel Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBench-side tube stabilization during pipetting, adding reagents, and mixing where a freestanding 50 mL tube tip would be unstable\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEquipment port and instrument side use where a full multi-tube rack would not fit in the available space\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSterile processing workflows where an autoclavable single-tube rack is required near a biosafety cabinet or clean bench\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCold room and incubator use — single tube in specific temperature conditions where a minimal rack keeps the tube upright and accessible\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat is the difference between HS23051 and HS23053A?\u003cbr\u003e\u003c\/strong\u003eHS23051 is HDPE coated steel wire (autoclavable, 1 Each, $15); HS23053A is polystyrene (not autoclavable, Pack of 5, $25). Choose HS23051 for autoclave compatibility and single-unit purchase; choose HS23053A when you need 5 units for station deployment and autoclaving is not required.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDoes this hold round-bottom tubes as well as conical?\u003cbr\u003e\u003c\/strong\u003eYes — the open wire basket design accommodates both 50 mL conical-bottom and round-bottom tube formats. The wire basket supports the tube body regardless of bottom geometry.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan I use this in a water bath?\u003cbr\u003e\u003c\/strong\u003eThe wire construction allows water to contact the tube body — this is acceptable for water bath heating of 50 mL tubes. The HDPE coating is water-resistant to 100°C. However, the wire rack is not designed to float — it will sink to the bottom of the water bath. For floating-type water bath use with smaller tubes, see the HS2166 Floating Tube Rack.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific HS23051 wire tube racks are manufactured from steel wire with HDPE coating applied for chemical resistance and autoclave compatibility. The yellow color is applied during the coating process for permanent identification. Autoclave compatibility verified for standard 121°C steam cycles.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"1 Each","offer_id":48078562689256,"sku":"HS23051","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_66c3173e-462b-4e24-bf0c-e9699d30b1d3.jpg?v=1771854475"},{"product_id":"heathrow-scientific-reversible-microtube-racks","title":"Reversible Microtube Racks - Heathrow Scientific","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStreamline your high-volume molecular biology workflows and secure your critical PCR reagents with Heathrow Scientific Reversible Microtube Racks. Engineered specifically for the demanding dimensions of 0.2mL, 0.5mL, 1.5mL, and 2.0mL microcentrifuge tubes, these specialized organizers are an absolute necessity for precision DNA\/RNA extraction, protein purification, and complex genomic sequencing protocols. The ingenious double-sided architecture allows technicians to flip the rack based on immediate protocol needs, maximizing utility without requiring multiple separate racks.\u003cbr\u003e\u003cbr\u003eManufactured from high-density, virgin polypropylene, these racks offer exceptional durability and complete resistance to standard laboratory solvents and biological decontamination agents. High-contrast alphanumeric indexing is permanently etched into the rack surface, providing immediate visual confirmation of sample coordinates and virtually eliminating pipetting errors during complex multi-plate transfers.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompact 5x16 array makes filling and transfer easy\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFrosted labeling area on bottom of rack\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEmbossed index numbers for quick sample ID and retrieval\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMade of polypropylene\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAutoclavable: True\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eColor: Natural\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDimensions (L x W x H): 8.9 x 2.6 x 1 in (22.5 x 6.7 x 2.8 cm)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMaterial: Polypropylene\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eNo. of Wells: 80\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eQuantity: Pack of 5\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTubes: 1.5\/2.0 mL\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWell Diameter: 11 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e\n\u003ch3\u003eCatalog Numbers (MPN)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCatalog \/ Item No. (MPN)\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025A\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Natural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025B\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025C\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025D\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025E\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025F\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Orange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025J\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS29025G\u003c\/td\u003e\n\u003ctd\u003e80-Well Microtube Rack, Pack of 5, Blue;Green;Yellow;Orange;Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e120241\u003c\/td\u003e\n\u003ctd\u003eMicrotube Rack 24 x 1.5\/2mL Tubes, Pack of 8, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e120243\u003c\/td\u003e\n\u003ctd\u003eMicrotube Rack 96 x 1.5\/2mL Tubes, Pack of 4, Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS2132A\u003c\/td\u003e\n\u003ctd\u003eFloating Microtube Rack Square 16 Tubes 1.5m, Pack of 4, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS2134A\u003c\/td\u003e\n\u003ctd\u003eFloating Microtube Rack Round 20 Tubes 1.5mL, Pack of 4, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Heathrow Scientific","offers":[{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Natural","offer_id":48079740895464,"sku":"HS29025A","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Blue","offer_id":48079740928232,"sku":"HS29025B","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Green","offer_id":48079740961000,"sku":"HS29025C","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Pink","offer_id":48079740993768,"sku":"HS29025D","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Yellow","offer_id":48079741026536,"sku":"HS29025E","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Orange","offer_id":48079741059304,"sku":"HS29025F","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Red","offer_id":48079741092072,"sku":"HS29025J","price":51.0,"currency_code":"USD","in_stock":true},{"title":"80-Well Microtube Rack \/ Pack of 5 \/ Blue;Green;Yellow;Orange;Pink","offer_id":48079741124840,"sku":"HS29025G","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Microtube Rack 24 x 1.5\/2mL Tubes \/ Pack of 8 \/ Blue","offer_id":48079741157608,"sku":"120241","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Microtube Rack 96 x 1.5\/2mL Tubes \/ Pack of 4 \/ Blue","offer_id":48079741190376,"sku":"120243","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Floating Microtube Rack Square 16 Tubes 1.5m \/ Pack of 4 \/ White","offer_id":48079741223144,"sku":"HS2132A","price":41.0,"currency_code":"USD","in_stock":true},{"title":"Floating Microtube Rack Round 20 Tubes 1.5mL \/ Pack of 4 \/ White","offer_id":48079741255912,"sku":"HS2134A","price":41.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_c7003e61-fba8-40d2-9641-4a434f0cf673.jpg?v=1771881025"},{"product_id":"onerack-full-pp-tube-rack","title":"OneRack® Full-Size Tube Rack, Polypropylene","description":"\u003ch2\u003eOneRack® Full-Size Polypropylene Tube Rack — Reliable Performance for 5–10mL Tubes\u003c\/h2\u003e\n\u003cp\u003eThe OneRack® Full-Size Polypropylene Tube Rack delivers the same proven single-piece molded construction as the POM version, engineered specifically for 5–10mL tubes in the 13mm and 16mm well sizes. Polypropylene construction provides excellent resistance to the dilute acids, bases, and alcohols encountered in standard laboratory work, with an autoclavable temperature ceiling of 110°C. For labs that process standard test tubes, culture tubes, or 7mL vacutainer-type specimens at scale, the PP OneRack offers dependable organization at a competitive price point.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-piece PP construction:\u003c\/strong\u003e No assembly required. The rack arrives ready to use and has no separate components that can be misplaced or fail under repeated sterilization cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical resistance:\u003c\/strong\u003e Polypropylene resists dilute acids, bases, alcohols, and common buffer solutions used in biochemistry, microbiology, and clinical chemistry workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable to 110°C:\u003c\/strong\u003e Withstands standard moist heat sterilization cycles, maintaining dimensional stability and structural integrity through repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeardrop-shaped openings:\u003c\/strong\u003e The teardrop geometry grips tubes securely at the rim, providing retention that prevents tipping on busy benchtops, shakers, and during transport between workstations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded coordinate labeling:\u003c\/strong\u003e Alphanumeric position grid molded directly into the rack for accurate tube location tracking, eliminating the need for handwritten position maps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater bath compatible:\u003c\/strong\u003e Flat, stable base sits level on water bath grids without floating, making these racks suitable for temperature-controlled incubation of small-volume samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour color options:\u003c\/strong\u003e Available in White, Blue, Green, and Magenta to support color-coded workflow organization across multiple projects or sample types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to +110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (110°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Well Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13mm (72-place), 16mm (72-place)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–10mL tubes (13mm and 16mm outer diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite, Blue, Green, Magenta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCase of 8 racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe PP OneRack® is widely used in clinical chemistry and hematology labs processing 5mL and 7mL collection tubes through automated analyzers and manual pipetting stations. In microbiology, these racks organize culture tubes through inoculation, incubation, and reading steps without requiring transfer to a different carrier. Biochemistry and molecular biology labs use the 13mm and 16mm well sizes for reaction tubes, elution columns, and spin-column assemblies that generate high tube volumes per run. Teaching laboratories benefit from the low per-unit cost of the PP version when equipping multiple student benches, while the autoclavability maintains the sterility standards required for microbiology instruction. The color-coding system also makes these racks useful for managing incoming versus outgoing samples at central processing stations.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the maximum temperature rating for the OneRack® Polypropylene Tube Rack?\u003c\/h3\u003e\n\u003cp\u003eThe polypropylene OneRack® is rated for continuous use from 0°C to 110°C. This covers standard autoclave sterilization cycles, water bath incubation at 37°C and 65°C, and dry oven drying after washing. It is not recommended for cryogenic use or for autoclaving cycles above 110°C. For wider temperature requirements, the POM version is rated -40°C to +121°C.\u003c\/p\u003e\n\n\u003ch3\u003eCan the OneRack® PP Tube Rack hold 15mL conical tubes?\u003c\/h3\u003e\n\u003cp\u003eThe PP OneRack® is specifically designed for 5–10mL tubes in 13mm and 16mm outer diameters. Standard 15mL conical tubes typically have an outer diameter of 17mm at the body, which will not seat correctly in the 13mm or 16mm teardrop openings. For 15–50mL conical tubes, select the POM OneRack® Full-Size in the 16mm or larger well sizes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the OneRack® PP Tube Rack compare to wire-frame tube racks?\u003c\/h3\u003e\n\u003cp\u003eSolid-body molded racks like the PP OneRack® offer several advantages over wire-frame alternatives: no tube fallthrough, easier cleaning and autoclaving, integrated position coordinate labeling, and color-coding for project organization. Wire-frame racks can be more flexible for mixed tube diameters, but molded racks provide more consistent tube retention and are easier to decontaminate thoroughly.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering\u003c\/h2\u003e\n\u003cp\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide. As an authorized Heathrow Scientific dealer, we ship directly from USA inventory. 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Designed for 10–13mm outer diameter tubes — including standard 5mL and 7mL collection tubes, small culture tubes, and ESR tubes — Mega Racks deliver organized, alphanumeric-indexed storage in a fully assembled, no-tools-required polypropylene construction. The single-well format holds 216 tubes in a compact footprint; the double format links two rack sections for 432-tube capacity on a single bench station.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–13mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Format Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e216-place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Format Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.3 x 9.3 x 3.6 in (33.7 x 23.5 x 9.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDouble Format Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e432-place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDouble Format Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26.5 x 9.3 x 3.5 in (67.3 x 23.5 x 9.0 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e216-well or 432-well capacity:\u003c\/strong\u003e The single format (216 wells, 33.7 x 23.5 x 9.1 cm) handles a full processing run on a standard bench. The double format (432 wells, 67.3 x 23.5 x 9.0 cm) doubles capacity without requiring a second rack footprint, ideal for high-throughput clinical labs processing continuous batches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlphanumeric position identification:\u003c\/strong\u003e Row and column coordinates are molded directly into the rack surface, enabling precise tube location recording in laboratory information systems and eliminating position transcription errors in high-volume processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene construction:\u003c\/strong\u003e Chemical resistance to the dilute acids, bases, and disinfectants used in routine laboratory cleaning. Fully autoclavable for sterilization between specimen types or study cohorts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled and ready to use:\u003c\/strong\u003e No assembly required. Each rack ships in the configuration shown — no separate inserts, pins, or alignment steps needed before loading tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy, stable base:\u003c\/strong\u003e Flat polypropylene base resists sliding on bench surfaces during high-speed pipetting and provides a stable platform for transport between workstations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-coded options:\u003c\/strong\u003e Available in Blue and White to visually distinguish tube sets by project, specimen type, priority level, or processing stage in multi-user environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-side design:\u003c\/strong\u003e Open lateral walls allow tube labels to be read without removing tubes from the rack, reducing handling and maintaining chain-of-custody during processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eMega Racks® 10-13mm racks are the workhorse storage solution in high-throughput clinical chemistry and hematology labs where large daily sample volumes make compact, organized tube staging essential. Blood bank and coagulation labs use them to stage 5mL and 7mL ESR tubes, serum separator tubes, and EDTA tubes through multiple analyzer access points without repositioning samples between instruments. In research settings, these racks organize primary culture tubes, cryovial prep tubes, and spin-column eluates during large-cohort experiments where the 216-well or 432-well capacity eliminates the rack-swapping interruptions that disrupt workflow in smaller-format racks. Environmental monitoring labs processing large numbers of small culture tubes for water quality analysis use the double format to stage a full day's run in a single rack structure, reducing bench reorganization time between batches. The open-side design is particularly valued in these settings because tube barcodes remain visible throughout the workflow without manual tube handling.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat tube types fit in the Mega Racks® 10-13mm format?\u003c\/h3\u003e\n\u003cp\u003eThe 10-13mm well diameter accommodates tubes with outer diameters between 10mm and 13mm. Common compatible tubes include standard 5mL Vacutainer-style blood collection tubes (12mm OD), small culture tubes (10-12mm OD), ESR sedimentation tubes, and microcentrifuge tubes in upright orientation when used with an insert. Always verify your specific tube outer diameter against the 13mm maximum before ordering, as some manufacturer variations can cause fitment issues with tubes at the upper end of the range.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the single and double Mega Rack® format?\u003c\/h3\u003e\n\u003cp\u003eThe single-format rack holds 216 tubes in a 33.7 x 23.5 cm footprint — the standard choice for moderate-throughput labs or where bench space is limited. The double-format rack holds 432 tubes in a 67.3 x 23.5 cm footprint — effectively two single racks joined end-to-end in a single rigid structure. The double format is designed for high-throughput labs processing 300+ samples per run, where a single large rack is easier to manage than two separate racks that can shift independently during batch processing.\u003c\/p\u003e\n\u003ch3\u003eCan Mega Racks® be autoclaved between specimen types?\u003c\/h3\u003e\n\u003cp\u003eYes. Polypropylene construction supports standard autoclave sterilization cycles. The fully assembled, single-piece design has no internal components that trap moisture or resist drying, making autoclave turnaround fast. After autoclaving, allow the rack to cool completely before loading temperature-sensitive specimens. For labs processing infectious materials, the smooth polypropylene surface also supports surface decontamination with 10% bleach or 70% ethanol between runs without material degradation.\u003c\/p\u003e\n\u003cp\u003eAs an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Mega Racks® Tube Rack for 10-13mm Tubes\",\n  \"description\": \"High-capacity polypropylene tube racks for 10–13mm tubes. 216-well single or 432-well double format. Autoclavable, alphanumeric grid, Blue or White. 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Accommodating tubes with outer diameters between 13mm and 16mm — including standard 10mL and 15mL Vacutainer-style tubes, gel separator tubes, and primary specimen tubes from major collection systems — these fully assembled polypropylene racks require no setup before use. The 120-well single format and 240-well double format provide scalable capacity for laboratories ranging from moderate-volume outpatient draw stations to high-throughput centralized processing labs.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13–16mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Format Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120-place (16mm well diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Format Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.3 x 10.5 x 3.6 in (33.7 x 26.7 x 9.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDouble Format Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240-place (16mm well diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDouble Format Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26.5 x 10.5 x 3.5 in (67.3 x 26.7 x 9.0 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120-well or 240-well capacity:\u003c\/strong\u003e The single rack (33.7 x 26.7 x 9.1 cm, 120 wells) provides organized capacity for a standard processing batch. The double rack (67.3 x 26.7 x 9.0 cm, 240 wells) doubles throughput in the same workflow step, reducing the number of rack changes that interrupt high-volume centrifugation and analyzer loading sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13-16mm well diameter range:\u003c\/strong\u003e The widened well geometry accommodates the outer diameter variation across major tube manufacturers — tubes nominally specified at 13mm, 14mm, 15mm, or 16mm outer diameter all seat correctly, reducing the procurement complexity of maintaining separate racks for each tube brand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlphanumeric identification grid:\u003c\/strong\u003e Molded row and column coordinates allow precise tube position logging for LIS (laboratory information system) integration, batch record documentation, and chain-of-custody tracking in regulated clinical environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable polypropylene:\u003c\/strong\u003e Withstands standard moist heat sterilization for rack decontamination between patient cohorts, infectious specimen batches, or study groups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy transport design:\u003c\/strong\u003e The robust polypropylene base and well structure support secure tube transport between the blood draw station, centrifuge, and analyzer without tube ejection from the rack during movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor choice for workflow organization:\u003c\/strong\u003e Blue and White options enable immediate visual separation of sample batch types, priority status, or processing stages in busy multi-technician environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eMega Racks® 13-16mm racks are among the highest-use tube racks in clinical laboratory environments because 13-16mm is the most common outer diameter range for blood collection tubes. Hospital core labs and reference laboratory receiving departments use them to stage incoming primary specimens from centrifugation through aliquoting to analyzer loading in a single rack without tube transfers. Outpatient blood draw centers with high morning volume use the double format to batch a full shift's collection into a single organized structure before centrifuge loading. Coagulation and immunology labs process 13mm citrate tubes and 15mm serum separator tubes simultaneously in the same rack when using the wide 13-16mm well range. Research phlebotomy studies involving serial time-point collections in standardized 16mm OD tubes rely on Mega Racks® alphanumeric grids to maintain strict time-point-to-position traceability across large participant cohorts. The fully assembled format also reduces prep time in high-volume settings where technician time is constrained.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill standard BD Vacutainer® 10mL tubes fit in the Mega Racks® 13-16mm?\u003c\/h3\u003e\n\u003cp\u003eYes. BD Vacutainer® 10mL tubes have a standard 16mm outer diameter, which seats securely in the 16mm well of the Mega Racks® 13-16mm format. Greiner Bio-One, Sarstedt, and Greiner Vacuette tubes in the 9-10mL range also typically measure 16mm OD and are compatible. For 13mm OD tubes in the same rack, the wider well provides slightly less lateral retention — these tubes seat successfully but with marginally less grip than in the dedicated 10-13mm format rack.\u003c\/p\u003e\n\u003ch3\u003eHow do I choose between the 120-well single and 240-well double Mega Rack® format?\u003c\/h3\u003e\n\u003cp\u003eChoose the single 120-well format when your typical batch size is under 100 tubes or when bench space is limited to the 33.7 cm single-rack footprint. Choose the double 240-well format when you routinely process 150+ tubes per batch, when two separate racks would shift relative to each other during centrifuge loading, or when your workflow requires a single continuous alphanumeric grid spanning a large collection for LIS tracking. The double format costs less per position than two single racks purchased separately.\u003c\/p\u003e\n\u003ch3\u003eCan Mega Racks® hold tubes during centrifugation?\u003c\/h3\u003e\n\u003cp\u003eMega Racks® are designed for tube organization, transport, and bench staging — not for use inside centrifuge rotors. Tubes should be removed from the rack and placed in appropriate centrifuge buckets or adapters for centrifugation, then returned to the rack for post-centrifuge processing. 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With a 120-well capacity in a 14.9 x 11.9 inch footprint, this rack organizes tubes with outer diameters between 16mm and 20mm — including standard 16mm culture tubes, 18mm round-bottom tubes, and 20mm specimen collection vessels — in a fully assembled polypropylene structure that requires no setup before use.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16–20mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120-place (20mm well diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.9 x 11.9 x 3.6 in (37.7 x 30.1 x 9.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120-well high-capacity format:\u003c\/strong\u003e Organizes up to 120 larger-diameter tubes in a structured 14.9 x 11.9 inch footprint — significantly more capacity than traditional wire-frame racks of similar size, enabling a full microbiology processing batch to be staged in a single rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-20mm well diameter range:\u003c\/strong\u003e Accommodates the diameter variation across standard culture tubes, round-bottom test tubes, and specimen tubes from 16mm to 20mm OD, covering the principal sizes used in clinical microbiology, food testing, and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlphanumeric coordinate grid:\u003c\/strong\u003e Row and column positions molded into the rack structure allow precise tube location recording for batch record documentation and chain-of-custody tracking in regulated testing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable polypropylene:\u003c\/strong\u003e The fully assembled rack withstands standard autoclave sterilization cycles for decontamination between specimen cohorts or test batches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat stable base:\u003c\/strong\u003e Flush polypropylene base prevents rack rocking on bench surfaces during inoculation, reading, and pipetting operations where tube stability is critical for accurate results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-coded Blue and White options:\u003c\/strong\u003e Enables visual project separation and workflow-stage identification in multi-user microbiology and environmental testing labs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eClinical microbiology departments use the 16-20mm Mega Rack® to stage broth microdilution susceptibility testing tubes, blood culture sub-culture tubes, and BCYE medium tubes through incubation and reading workflows. The 120-well capacity is well-matched to the batch sizes of a standard working shift in busy microbiology labs, where 80–120 culture tubes may be in active incubation at any time. Environmental monitoring programs processing water samples in standard 18mm culture tubes use these racks to organize samples by collection site, sample date, and dilution factor across a full day's processing run. Pharmaceutical QC labs performing environmental monitoring of manufacturing areas use 16mm environmental sampling tubes staged in these racks during the transfer from sampling to incubation. Cell culture laboratories preparing 15-18mL round-bottom tubes for suspension culture experiments stage tubes in the 16-20mm Mega Rack® during medium addition and cell inoculation before moving them to roller culture or incubator systems. The wider footprint of this format compared to the 13-16mm rack reflects the additional spacing required between larger tubes to allow cap access during inoculation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWill 15mL conical tubes fit in the Mega Racks® 16-20mm?\u003c\/h3\u003e\n\u003cp\u003eStandard 15mL conical centrifuge tubes typically have an outer body diameter of approximately 17mm, which falls within the 16-20mm well range and will seat in this rack. However, the conical taper at the bottom means the tube base does not contact the rack floor — the tube is supported at the rim by the well opening rather than resting flat. This is acceptable for bench staging and incubation but should be verified for your specific tube brand before use in vibration-sensitive workflows.\u003c\/p\u003e\n\u003ch3\u003eIs there a double-format version of the 16-20mm Mega Rack®?\u003c\/h3\u003e\n\u003cp\u003eThe double-format rack is currently available for the 10-13mm and 13-16mm well sizes. The 16-20mm format is offered in the single 120-well format only. For labs requiring more than 120-well capacity in the 16-20mm range, two single racks can be positioned end-to-end on the bench, though they will remain as separate units rather than the integrated double-rack structure available for the smaller sizes.\u003c\/p\u003e\n\u003ch3\u003eWhat is the height clearance between the rack base and the top of the well opening?\u003c\/h3\u003e\n\u003cp\u003eThe 16-20mm Mega Rack® has a height of 9.1 cm (3.6 inches), with the well opening at the top of the rack height. Standard 16mm culture tubes (100mm and 125mm length) and 18mm round-bottom tubes (150mm length) extend above the well opening, providing accessible caps for pipetting and inoculation without removing tubes from the rack. Very short tubes (under 75mm length) may sit below the well opening level depending on their geometry.\u003c\/p\u003e\n\u003cp\u003eAs an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Mega Racks® Tube Rack for 16-20mm Tubes\",\n  \"description\": \"Polypropylene 120-well tube rack for 16–20mm OD tubes. 14.9 x 11.9 in footprint, autoclavable, alphanumeric grid. 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The MULTI system ships with one base unit and six interchangeable tube rack inserts — two each of three well diameters — that accept virtually any standard laboratory tube from 10mm to 30mm outer diameter. Switching between tube types takes seconds. 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Running six inserts simultaneously gives 46-well capacity (20 + 20 + 6 in the wide-diameter slots) across three tube sizes in a single compact rack footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchangeable insert system:\u003c\/strong\u003e Inserts slide in and out of the base in seconds without tools, allowing the rack to be reconfigured for a new tube type between workflow steps. 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Inserts also pivot between upper and lower positions to accommodate different tube heights within the same base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable polypropylene construction:\u003c\/strong\u003e Both the base and all inserts withstand standard autoclave sterilization, allowing full system decontamination between use with different specimen types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor options Blue\/Natural and Purple\/Natural:\u003c\/strong\u003e Base color distinguishes racks in multi-rack environments; inserts are Natural (translucent) for uniform tube visibility regardless of color combination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe OneRack® MULTI is the practical solution for laboratories that run multiple tube types through a shared workflow — a common situation in multi-analyte reference labs, academic research groups, and point-of-care settings where procurement is centralized but testing is diverse. A proteomics lab running parallel workflows in microcentrifuge tubes, 15mL prep tubes, and 50mL culture vessels can configure a MULTI with the appropriate inserts for each vessel type and reconfigure in seconds when switching between protocol steps. A small clinical lab processing both EDTA 5mL collection tubes and larger 10mL tubes in the same analytical session uses the MULTI to eliminate the separate rack sets that would otherwise be required. Teaching laboratories value the MULTI for student bench kits because one rack handles the full range of tubes used across a semester's experiments without students needing to stock multiple rack types. 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The teardrop geometry provides secure retention across the compatible range of each insert.\u003c\/p\u003e\n\n\u003ch3\u003eCan additional inserts be purchased separately to expand capacity?\u003c\/h3\u003e\n\u003cp\u003eThe OneRack® MULTI base is designed to hold the six included inserts. Additional separate insert packs are not currently listed in the standard catalog — for workflows requiring more than the included 6-insert set, multiple MULTI units are the recommended approach. Each MULTI unit ships as a complete set with base and all six inserts, ensuring insert-to-base compatibility without mix-and-match procurement.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the OneRack® MULTI compare to a fixed-well tube rack?\u003c\/h3\u003e\n\u003cp\u003eFixed-well racks provide more total well positions per unit footprint for a single tube diameter — the Mega Racks® 120-well format, for example, holds far more 16mm tubes than the MULTI can with its medium insert. The MULTI's advantage is versatility: it replaces three or four separate fixed-well racks with one reconfigurable unit. For labs with a single dominant tube diameter at high volume, a fixed-well rack is the more efficient choice. For mixed-diameter workflows, the MULTI eliminates the clutter and cost of maintaining a separate rack for each tube type.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering\u003c\/h2\u003e\n\u003cp\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"OneRack® MULTI Adaptable Tube Rack\",\"description\":\"Adaptable tube rack with 1 base and 6 interchangeable inserts for 10–30mm tubes. Autoclavable polypropylene, teardrop wells, alphanumeric grid. 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Choose fixed-well for high-volume single-diameter workflows; choose MULTI for mixed-diameter workflows.\"}}]}\n\u003c\/script\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue\/Natural","offer_id":48093407084776,"sku":"120817","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Purple\/Natural","offer_id":48093407117544,"sku":"120818","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_b3963440-720b-422e-b535-9b562eaf1e97.jpg?v=1772394292"},{"product_id":"adapt-a-rack","title":"Adapt-a-Rack® POM Multi-Tube Rack (Pack of 2)","description":"\u003ch2\u003eAdapt-a-Rack® POM Linkable Multi-Tube Rack, 7–50mL\u003c\/h2\u003e\n\u003cp\u003eThe Adapt-a-Rack® from Heathrow Scientific takes a fundamentally different approach to tube organization: instead of fixed-diameter wells, each of the four positions features flexible POM fingers that actively grip the tube, adapting to the tube's specific outer diameter anywhere in the 12-30mm (7-50mL) range. No inserts, no size-specific racks, and no reconfiguration needed — simply place any tube in any well and the fingers close around it. Racks can be linked end-to-end for unlimited expansion. Available in eight single and dual-color options, the Adapt-a-Rack® is the most versatile tube storage solution for mixed-diameter workflows. Sold in packs of 2.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolyoxymethylene (POM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–30mm outer diameter (7–50mL tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWells per Rack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions per Rack (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.1 x 2.2 x 3.0 in (18.1 x 5.6 x 7.6 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinkable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes — link end-to-end for expanded capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\/Green, Blue\/Yellow, Pink\/White, Blue, White, Pink, Yellow, Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 2 racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex-finger adaptive wells:\u003c\/strong\u003e The defining feature of Adapt-a-Rack® — each well has flexible POM finger elements that conform to the tube's outer diameter under gentle downward pressure, holding the tube firmly upright regardless of whether it's a 7mL round-bottom or a 50mL conical. No springs, no adjustments, no inserts required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-30mm diameter range (7-50mL tubes):\u003c\/strong\u003e A single rack accommodates essentially the full range of tubes in active use in standard laboratory workflows — microcentrifuge tubes in appropriately sized holders, through 15mL and 50mL conicals, to 30mm specialty vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinkable end-to-end expansion:\u003c\/strong\u003e Interlocking connectors on each rack allow multiple units to be joined into a longer rack array. Two, four, six, or more racks can be linked to create a continuous organized tube staging area scaled to batch size without a large-format fixed rack purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePOM construction:\u003c\/strong\u003e Polyoxymethylene provides the chemical resistance and spring-back durability that the flex-finger design demands — POM retains its elastic return properties through repeated compression cycles, autoclaving, and exposure to laboratory chemicals without permanent deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen sides for label visibility:\u003c\/strong\u003e The rack's lateral profile is open rather than walled, keeping tube labels and barcodes visible from the side without removing tubes from the rack — essential for barcode scanning in LIS-integrated workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat base stability:\u003c\/strong\u003e Holds tubes upright on flat bench surfaces during pipetting, dispensing, and mixing operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight color options:\u003c\/strong\u003e Blue, White, Pink, Yellow, Green, and three combination packs (Blue\/Green, Blue\/Yellow, Pink\/White) for color-coded project organization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable:\u003c\/strong\u003e POM withstands standard autoclave sterilization for complete rack decontamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eAdapt-a-Rack® is the standard choice in molecular biology and biochemistry labs running multi-step protocols that shift tube types between workflow stages. A PCR prep workflow might begin with 1.5mL microcentrifuge tubes for reagent master mix preparation, transition to 0.2mL PCR strip tubes during thermocycling setup, and end with 1.5mL tubes for product verification — all different diameters, all accommodated without rack changes using Adapt-a-Rack® flex-finger wells. Protein biochemistry labs managing gradient fractions in 15mL conicals alongside enzyme assay tubes in 5mL round-bottoms use linked Adapt-a-Rack® units to keep all fraction tubes in a single organized array with visible labels. Cell biology labs preparing samples in 50mL conicals before aliquoting into 1.5mL tubes use the rack for both the large conicals and the finished aliquot tubes in sequence. Point-of-care testing areas stocking a wide range of specimen tube types use Adapt-a-Rack® as a universal tube holder that simplifies consumable inventory — one rack type that works for all tube diameters on hand.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow does the flex-finger mechanism maintain tube retention over time?\u003c\/h3\u003e\n\u003cp\u003eThe flex fingers are molded from POM, which is specifically selected for its fatigue resistance — POM maintains its elastic return properties through tens of thousands of flex cycles without permanent set or loss of grip force. In standard laboratory use with routine autoclaving, the flex fingers retain effective tube grip for the expected product lifecycle. If a finger is damaged by forcing an oversized tube (over 30mm OD) into a well, that well's grip may be reduced, but this requires exceeding the specified diameter range.\u003c\/p\u003e\n\n\u003ch3\u003eHow many racks can be linked together?\u003c\/h3\u003e\n\u003cp\u003eAdapt-a-Rack® units are designed to link end-to-end without a published maximum chain length. In practice, linked arrays of 8-10 racks (32-40 positions) are stable on flat bench surfaces. For very long arrays, ensure the bench surface is level and the racks are on a non-slip surface to prevent the chain from flexing and tipping. For arrays requiring more than about 10 linked units, consider supplementing with Mega Racks® or OneRack® formats that provide larger fixed capacity in a rigid single structure.\u003c\/p\u003e\n\n\u003ch3\u003eCan Adapt-a-Rack® hold tubes at an angle or does it only work upright?\u003c\/h3\u003e\n\u003cp\u003eAdapt-a-Rack® is designed for upright tube orientation. The flex fingers grip tubes in the vertical position, and the flat base keeps the rack level on bench surfaces. It is not designed to hold tubes at an angle or in a horizontal position. For tubes that require angled incubation (e.g., for cell growth surface maximization), purpose-built angled tube racks are the appropriate choice. For standard vertical staging, pipetting, and bench organization, the Adapt-a-Rack® provides reliable upright retention across all compatible tube diameters.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering\u003c\/h2\u003e\n\u003cp\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Adapt-a-Rack® POM Multi-Tube Rack (Pack of 2)\",\"description\":\"POM tube racks with flex-finger wells accommodating 12–30mm OD tubes (7–50mL). 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Constructed from sturdy steel wire with a durable HDPE (high-density polyethylene) coating, this 108-well rack in a 9x12 array accommodates 13-16mm outer diameter tubes and is rated for continuous use down to -40°C — making it one of the few tube rack formats suitable for both active bench use and freezer storage. Available in Blue and Red.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE-coated steel wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13–16mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArray\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 x 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e108\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.3–9.5 x 5.0 x 2.6 in (23.7–24.1 x 12.7–18.8 x 6.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Temperature Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-deck wire structure:\u003c\/strong\u003e The wire rack features three horizontal levels — base, mid-deck, and top rim — that provide tube retention at multiple points along the tube body, preventing leaning and tipping that occurs in single-rim rack designs when tubes are near full capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHDPE chemical-resistant coating:\u003c\/strong\u003e The high-density polyethylene coating provides corrosion resistance and chemical durability while adding a smooth surface that won't scratch tube labels or damage tube exterior printing during insertion and removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-40°C low temperature rating:\u003c\/strong\u003e Unlike polypropylene racks that can become brittle below -20°C, the coated wire construction maintains structural integrity and flexibility down to -40°C, making this rack suitable for -40°C freezer storage of tube collections between processing sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable:\u003c\/strong\u003e The wire and HDPE coating assembly withstands standard autoclave sterilization cycles for complete rack decontamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted base:\u003c\/strong\u003e The wire base design has natural openings that allow drainage of condensate, spilled liquids, and cleaning water without removing tubes — a significant advantage over solid-base racks in wet chemistry environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e108-well 9x12 array:\u003c\/strong\u003e The 9-row by 12-column format provides organized capacity for a standard batch, with the grid structure visible from above for easy tube counting and position tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue and Red color options:\u003c\/strong\u003e HDPE coating in two colors for visual project differentiation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eHDPE coated wire racks are particularly well-suited for environments where condensation, moisture, or liquid exposure is routine. In wet chemistry labs, the slotted wire base allows buffer, water, and spilled reagents to drain freely rather than pooling under tubes as occurs with solid-base racks. Cold storage laboratories that move tube collections between -40°C freezers and room-temperature workstations use coated wire racks because the -40°C rating means the rack does not need to be swapped when samples go into storage. Clinical hematology labs processing ESR (erythrocyte sedimentation rate) tubes require tubes to remain upright and undisturbed for precise timing — the three-deck wire structure provides the multi-point lateral support needed to hold ESR tubes perfectly vertical without any leaning. Environmental testing laboratories measuring turbidity and optical density of water samples in glass culture tubes use wire racks because the open wire structure allows spectrophotometric reading of tube contents from the side without removing tubes from the rack.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow does an HDPE coated wire rack compare to a polypropylene molded rack for the same tube diameter?\u003c\/h3\u003e\n\u003cp\u003eWire racks offer greater tube accessibility (open structure allows removal from any angle), superior drainage, and — in the coated version — cryogenic-rated performance to -40°C. Polypropylene molded racks offer more total well positions per footprint, integrated alphanumeric coordinate labeling, and easier autoclaving without concerns about coating delamination from aggressive sterilization. Wire racks are the preferred choice where drainage, cryogenic storage, or open-structure viewing are priorities. Molded racks are preferred for high-throughput processing where well count and position tracking are primary requirements.\u003c\/p\u003e\n\n\u003ch3\u003eIs the HDPE coating affected by repeated autoclaving?\u003c\/h3\u003e\n\u003cp\u003eHDPE has an autoclave temperature ceiling lower than polypropylene — extended or repeated exposure to 121°C steam can gradually cause the HDPE coating to soften and potentially allow minor delamination from the wire substrate over many cycles. For occasional sterilization, coated wire racks perform reliably. For labs that autoclave racks after every use as a standard protocol, polypropylene molded racks are the more durable choice for long-term repeated sterilization. The manufacturer recommendation for cleaning coated wire racks is warm water with mild detergent, or surface wipe-down with 70% ethanol for routine decontamination.\u003c\/p\u003e\n\n\u003ch3\u003eCan this rack be used in a water bath or incubator?\u003c\/h3\u003e\n\u003cp\u003eThe HDPE-coated wire rack can be used in water baths and incubators — the open wire structure allows complete water contact around tubes for even thermal equilibration, which is a distinct advantage over solid-base molded racks where the base acts as a thermal insulator between the tube bottom and the water bath. The -40°C rating covers the relevant cold incubation temperatures. For high-temperature incubation above 60°C, verify the HDPE coating specification before extended submerged use, as HDPE begins to soften above 80°C under continuous load.\u003c\/p\u003e\n\n\u003ch2\u003eOrdering\u003c\/h2\u003e\n\u003cp\u003eAuthorized dealer, ships from USA inventory. 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PP molded racks offer more wells per footprint, integrated coordinate labeling, and better repeated-autoclave durability. Choose wire for drainage, cryogenic storage, or open-structure viewing; choose molded for high-throughput position tracking.\"}},{\"@type\":\"Question\",\"name\":\"Is the HDPE coating affected by repeated autoclaving?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Extended repeated 121°C autoclave cycles can gradually soften the HDPE coating. For occasional sterilization, coated wire racks perform reliably. For racks autoclaved after every use, polypropylene molded racks are more durable long-term. Recommended routine cleaning: warm water\/mild detergent or 70% ethanol wipe-down.\"}},{\"@type\":\"Question\",\"name\":\"Can this rack be used in a water bath or incubator?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. 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Each rack holds 80 tubes in 11mm-diameter wells with embossed index numbers for immediate position identification and a frosted labeling area on the rack base for project annotation. Autoclavable polypropylene construction. Available in seven colors including an assorted 5-color pack. Sold in packs of 5 racks.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclave Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121°C (250°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREACH, RoHS2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5mL and 2.0mL microcentrifuge tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 (5 x 16 array)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.9 x 2.6 x 1.0 in (22.5 x 6.7 x 2.8 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural, Blue, Green, Pink, Yellow, Orange, Red, Assorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePack of 5 racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5x16 fraction-collector format:\u003c\/strong\u003e The 5-row by 16-column array replicates the layout used in fraction collector systems, allowing direct transfer of HPLC fraction tubes, gel elution aliquots, and sequential reaction tubes from the collector to the rack without reorientation or relabeling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80-well 11mm diameter:\u003c\/strong\u003e Sized for standard 1.5mL and 2.0mL microcentrifuge tubes — the most commonly used tube format in molecular biology, including PCR tubes, reaction tubes, sample aliquots, and column eluates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmbossed index numbers:\u003c\/strong\u003e Position coordinates are embossed directly into the polypropylene at each well, surviving autoclaving, solvent exposure, and abrasion without fading — a critical feature for labs maintaining chain-of-custody documentation on tube position assignments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrosted labeling area:\u003c\/strong\u003e A textured frosted panel on the rack base accepts both permanent marker and adhesive labels, providing a consistent location for project name, date, and experiment ID annotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e The 22.5 x 6.7 cm rack dimensions are optimized for fitting multiple racks side-by-side in limited bench space or stacking for compact storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable polypropylene:\u003c\/strong\u003e Withstands standard sterilization cycles for reuse across multiple experiments and complete decontamination between different sample types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeven color options:\u003c\/strong\u003e Natural, Blue, Green, Pink, Yellow, Orange, Red, and an Assorted 5-pack (Blue, Green, Yellow, Orange, Pink) for color-coded experiment or sample-type organization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 5 racks:\u003c\/strong\u003e Multi-rack packs support experiment-scale purchasing, providing enough racks to organize a full multi-condition experiment without reordering mid-protocol.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThe 5x16 fraction-collector format makes the 80-Well Microtube Rack the natural companion to HPLC and FPLC fraction collection systems. After automated collection, fractions move directly from the collector tray to the 80-well rack in the same positional order, with the embossed index numbers corresponding to the chromatography software's fraction numbering. Genomics labs performing 96-well plate reformatting routinely use 80-well racks to stage the microtubes used in reformatting steps before returning to plate-based workflows. Proteomics sample preparation labs organize gel extraction aliquots in color-coded 80-well racks that track sample progression through reduction, alkylation, and digestion steps — one rack color per step. Next-generation sequencing library prep labs use these racks for the rapid-tube workflows preceding library quantification, where 80 individual library tubes per batch must be staged in an organized format compatible with the bench layout of the quantification instrument. Teaching labs find the assorted 5-color pack ideal for distributing color-coded experiment tube sets to student groups simultaneously.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is a fraction-collector plate style rack?\u003c\/h3\u003e\n\u003cp\u003eA fraction-collector plate rack has the same 5-row by 16-column layout as the microcentrifuge tube tray used in automated HPLC and FPLC fraction collectors. This format allows chromatography fractions to be transferred from the collector to the rack without changing tube orientation or renumbering positions — fraction 1 in the collector occupies position A1 in the rack, fraction 16 occupies A16, and so on. Labs that do not use fraction collectors benefit from the compact, regular array for general tube organization.\u003c\/p\u003e\n\u003ch3\u003eCan this rack hold 0.5mL or 0.2mL PCR tubes?\u003c\/h3\u003e\n\u003cp\u003eThe 11mm wells are designed for 1.5mL and 2.0mL standard-cap microcentrifuge tubes. Standard 0.5mL tubes have a narrower body that will sit in the well without being gripped securely. Standard 0.2mL PCR tubes are too narrow for the 11mm well and will not be retained. For 0.5mL and 0.2mL tubes, dedicated 96-well tube racks or PCR tube racks with appropriately sized wells are the correct format.\u003c\/p\u003e\n\u003ch3\u003eHow do the embossed index numbers differ from labeled wells?\u003c\/h3\u003e\n\u003cp\u003eEmbossed index numbers are three-dimensionally molded into the rack surface rather than printed, painted, or labeled onto it. This means they cannot fade, wash off, or peel during autoclaving, solvent wiping, or repeated use in aqueous environments. In contrast, racks with printed or labeled position numbers typically show wear in lab environments over time, making position reading unreliable for long-term documentation purposes. The frosted labeling area on the rack base provides a separate annotation zone that does not interfere with the permanent embossed well index.\u003c\/p\u003e\n\u003cp\u003eAs an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"80-Well Microtube Rack, 1.5\/2.0mL (Pack of 5)\",\n  \"description\": \"Polypropylene 80-well microtube racks in 5x16 fraction-collector format for 1.5\/2.0mL tubes. Embossed index numbers, frosted labeling area, autoclavable. 7 colors. 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Chromatography fractions transfer from collector to rack without changing orientation — fraction 1 at A1, fraction 80 at E16 — maintaining continuous position numbering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this rack hold 0.5mL or 0.2mL PCR tubes?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. The 11mm wells are sized for 1.5mL and 2.0mL tubes. 0.5mL tubes sit without secure grip and 0.2mL PCR tubes are too narrow. Use dedicated 96-well racks or PCR tube racks for smaller tube formats.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do embossed index numbers differ from labeled wells?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Embossed numbers are three-dimensionally molded into the rack surface — they cannot fade, wash off, or peel during autoclaving or solvent wiping. Printed or labeled position numbers wear away over time in lab environments, making embossed indexing more reliable for long-term documentation.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Heathrow Scientific","offers":[{"title":"Natural","offer_id":48093408428264,"sku":"HS29025A","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":48093408461032,"sku":"HS29025B","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":48093408493800,"sku":"HS29025C","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":48093408526568,"sku":"HS29025D","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48093408559336,"sku":"HS29025E","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":48093408592104,"sku":"HS29025F","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":48093408624872,"sku":"HS29025J","price":51.0,"currency_code":"USD","in_stock":true},{"title":"Assorted","offer_id":48093408657640,"sku":"HS29025G","price":51.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_37b64d0f-8f0a-4300-adf3-f5fd97158840.jpg?v=1772394296"},{"product_id":"heathrow-hdpe-coated-wire-tube-rack-29-33mm-blue","title":"Heathrow Scientific HDPE Coated Wire Tube Rack, 29–33mm, Blue","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific \u003cstrong\u003eHDPE Coated Wire Tube Racks\u003c\/strong\u003e in the \u003cstrong\u003e29–33 mm\u003c\/strong\u003e range are built for organizing \u003cstrong\u003e50 mL tubes \/ bottles\u003c\/strong\u003e while keeping labels visible and surfaces easy to rinse and disinfect. The open-wire geometry maximizes airflow and drainage, while the \u003cstrong\u003eHDPE coating\u003c\/strong\u003e adds chemical resistance for daily bench, wash, and autoclave workflows.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eChoose between a compact \u003cstrong\u003e2×6 (12-well)\u003c\/strong\u003e footprint for tight benches, or a high-capacity \u003cstrong\u003e5×10 (50-well)\u003c\/strong\u003e layout for batch processing. Both formats are \u003cstrong\u003eautoclavable\u003c\/strong\u003e and specified for low-temperature use down to \u003cstrong\u003e-40°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHDPE-coated wire\u003c\/strong\u003e resists common lab acids\/solvents and cleans easily after spills.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOpen-wire design\u003c\/strong\u003e improves label visibility and reduces trapped condensation compared with solid-wall racks.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e for standard sterilization cycles (121°C).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSized for \u003cstrong\u003e29–33 mm OD\u003c\/strong\u003e tubes\/bottles (33 mm wells).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSpecified for low-temperature use down to \u003cstrong\u003e-40°C\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003e120087 (2×6)\u003c\/th\u003e\n\u003cth\u003e120088 (5×10)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120087\u003c\/td\u003e\n\u003ctd\u003e120088\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 6 (12 wells)\u003c\/td\u003e\n\u003ctd\u003e5 × 10 (50 wells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube\/Bottle Diameter Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29–33 mm (33 mm wells)\u003c\/td\u003e\n\u003ctd\u003e29–33 mm (33 mm wells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 mL tubes \/ bottles\u003c\/td\u003e\n\u003ctd\u003e50 mL tubes \/ bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.4 × 3.3 × 2.5 in (21.3 × 8.4 × 6.4 cm)\u003c\/td\u003e\n\u003ctd\u003e14.0 × 7.5 × 2.4 in (35.6 × 19.0 × 6.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE coated wire\u003c\/td\u003e\n\u003ctd\u003eHDPE coated wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow-temp rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDown to -40°C\u003c\/td\u003e\n\u003ctd\u003eDown to -40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOrganize \u003cstrong\u003e50 mL conical tubes\u003c\/strong\u003e during centrifuge staging, aliquoting, labeling, or cold-room workflows.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUse in \u003cstrong\u003ewash-down areas\u003c\/strong\u003e where drainage matters (open wire helps liquids shed quickly).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSet up \u003cstrong\u003ebatch processing\u003c\/strong\u003e lines—sample prep, QC hold racks, and transport between stations.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAre these racks autoclavable?\u003c\/strong\u003e\u003cbr\u003eYes. The HDPE-coated wire construction is listed as autoclavable.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tube diameter do these racks fit?\u003c\/strong\u003e\u003cbr\u003eThey are designed for 29–33 mm OD tubes\/bottles with 33 mm wells.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhy choose a wire rack instead of solid plastic?\u003c\/strong\u003e\u003cbr\u003eWire racks keep labels visible, improve airflow\/drainage, and reduce condensation traps.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat’s the difference between 120087 and 120088?\u003c\/strong\u003e\u003cbr\u003eThe footprint and capacity: 120087 is 12 wells (2×6), while 120088 is 50 wells (5×10).\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eManufacturer specifications list HDPE-coated wire construction, autoclavability, and low-temperature use down to -40°F (-40°C). Dimensions and well sizing are provided per SKU to support procurement and fit checks.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"2×6 Format - 12 Wells","offer_id":48093679419624,"sku":"120087","price":26.0,"currency_code":"USD","in_stock":true},{"title":"5×10 Format - 50 Wells","offer_id":48093679452392,"sku":"120088","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_ea07fa39-66e8-449a-9a2c-7cf6fc6a57ce.jpg?v=1772407556"},{"product_id":"heathrow-hdpe-coated-wire-tube-rack-10-13mm-72w-blue","title":"HDPE Coated Wire Tube Rack 10–13mm, 72-Well (6×12), Blue - 120089","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eFor \u003cstrong\u003e5–7 mL tubes\u003c\/strong\u003e and small vials, the Heathrow Scientific \u003cstrong\u003eHDPE Coated Wire Rack\u003c\/strong\u003e provides rigid tube support without blocking label visibility. The \u003cstrong\u003ethree-level\u003c\/strong\u003e design holds tubes upright while keeping the footprint compact for crowded benches.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis rack is built from \u003cstrong\u003eHDPE-coated wire\u003c\/strong\u003e for chemical resistance and is listed as \u003cstrong\u003eautoclavable\u003c\/strong\u003e. It’s specified for low-temperature use down to \u003cstrong\u003e-40°C\u003c\/strong\u003e and is sized for \u003cstrong\u003e10–13 mm\u003c\/strong\u003e tube diameters.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e72-place (6×12)\u003c\/strong\u003e layout for high-throughput tube handling in a compact footprint.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e10–13 mm\u003c\/strong\u003e well diameter range for common 5–7 mL tubes\/vials.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eThree deck levels\u003c\/strong\u003e help keep tubes stable and easy to grasp.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHDPE-coated wire\u003c\/strong\u003e improves chemical resistance and cleanability.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e for standard sterilization cycles (121°C).\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120089\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat \/ Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 × 12 (72 wells)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–7 mL tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.1 × 4.1 × 2.6 in (20.6 × 10.4 × 6.6 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE coated wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow-temp rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDown to -40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSample prep and staging for \u003cstrong\u003e5 mL tubes\u003c\/strong\u003e in analytical, QC, or teaching labs.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eOrganize serial dilutions, fraction collections, or tube-based assays where label visibility matters.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUse as a \u003cstrong\u003erinse-and-dry\u003c\/strong\u003e rack between workflows (open-wire drainage).\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat tubes fit this rack?\u003c\/strong\u003e\u003cbr\u003eIt’s designed for 5–7 mL tubes with 10–13 mm diameters.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs it autoclavable?\u003c\/strong\u003e\u003cbr\u003eYes, the rack is listed as autoclavable.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhy is the rack multi-level?\u003c\/strong\u003e\u003cbr\u003eMultiple deck levels stabilize tubes and make them easier to handle in a compact footprint.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eDoes the open-wire design help in wet workflows?\u003c\/strong\u003e\u003cbr\u003eYes—wire racks drain quickly and reduce standing liquid compared with solid-wall racks.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDimensions and tube diameter range are documented for fit checks. Note: some manufacturer listings for this SKU have a formatting typo in the height value; we use the consistent 2.6 in (6.6 cm) height reported across distributor specifications and the metric dimension set.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Each","offer_id":48093679517928,"sku":"120089","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_71af8e99-aa6a-49fd-b236-9fbad8229eac.jpg?v=1772407557"},{"product_id":"heathrow-scientific-hdpe-coated-wire-tube-racks","title":"Heathrow Scientific Coated Wire Tube Racks - HDPE Epoxy | Chemical Resistant","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMaximize airflow and ensure secure test tube support in your incubator, refrigerator, or water bath with Heathrow Scientific's HDPE Coated Wire Tube Racks. Unlike traditional uncoated metal racks that quickly rust and degrade in humid laboratory environments, these heavy-duty steel wire racks are thoroughly encased in a premium, chemically resistant High-Density Polyethylene (HDPE) epoxy coating. This protective layer ensures long-lasting durability, preventing corrosion while making the racks easy to wipe clean after accidental spills.\u003c\/p\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEngineered to accommodate the vast majority of standard laboratory vessels, from small 10 mm blood collection tubes to massive 100 mm centrifuge tubes, the comprehensive 120700 Series offers a perfect fit for any workflow. Every rack features a specialized square mesh bottom support grid that keeps your tubes perfectly upright, preventing tilting or sample cross-contamination during transport. Designed to withstand extreme temperature cycling, they are fully autoclavable for sterilization protocols and are freeze-safe down to -40°C for deep cold storage.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eHDPE Epoxy Coating:\u003c\/strong\u003e Protects the internal steel framework from rust, corrosion, and harsh chemical solvents.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eSquare Mesh Bottom:\u003c\/strong\u003e The rigid base grid prevents tubes from slipping through or sitting at an angle.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eExtreme Temperature Tolerance:\u003c\/strong\u003e Rated for use in freezers down to -40°C and fully autoclavable at 121°C.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eOpen Wire Design:\u003c\/strong\u003e Promotes maximum air circulation and rapid temperature equilibration in incubators and water baths.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eMultiple Configurations:\u003c\/strong\u003e Available in 14 specific formats to hold tubes ranging from 10 mm to 40 mm in diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering Information \u0026amp; Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eCompatible Tube Size\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eCapacity \u0026amp; Array\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePart Number (SKU)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e10-13mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e108-Well (9x12\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120759\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13-16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40-Well (4x10\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120760\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13-16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e48-Well (4x12\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120761\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13-16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72-Well (6x12\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS23072\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16-18mm 15mL Tubes\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e15-Well (3x5\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS23215\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16-20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40-Well (4x10\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120764\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16-20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e80-Well (8x10\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120765\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20-25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24-Well (3x8\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120769\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e22-25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40-Well (4x10\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120767\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20-25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e80-Well (8x10\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120768\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25-30mm 50mL Tubes\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e8-Well (2x4\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS232461\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25-30mm 50mL Tubes\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e48-Well (6x8\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120770\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e35-40mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24-Well (3x8\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120771\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e35-40mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e48-Well (6x8\n)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120772\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eSpecification\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eDetail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eConstruction Material\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSteel Wire core with HDPE Epoxy Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eColor\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBase Support\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSquare Mesh Grid\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eTemperature Tolerance\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eDown to -40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSterilization\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eAutoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePackaging\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1 Rack per Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cem\u003eLabSupplies.com is an authorized distributor of Heathrow Scientific. All HDPE wire racks ship directly from our verified USA warehouse.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Heathrow Scientific","offers":[{"title":"10-13mm | 108-Well (9x12\n)","offer_id":48098581151976,"sku":"120759","price":35.0,"currency_code":"USD","in_stock":true},{"title":"13-16mm | 40-Well (4x10\n)","offer_id":48098581184744,"sku":"120760","price":31.0,"currency_code":"USD","in_stock":true},{"title":"13-16mm | 48-Well (4x12\n)","offer_id":48098581217512,"sku":"120761","price":33.0,"currency_code":"USD","in_stock":true},{"title":"13-16mm | 72-Well (6x12\n)","offer_id":48098581250280,"sku":"HS23072","price":35.0,"currency_code":"USD","in_stock":true},{"title":"16-18mm 15mL Tubes | 15-Well (3x5\n)","offer_id":48098581283048,"sku":"HS23215","price":36.0,"currency_code":"USD","in_stock":true},{"title":"16-20mm | 40-Well (4x10\n)","offer_id":48098581315816,"sku":"120764","price":39.0,"currency_code":"USD","in_stock":true},{"title":"16-20mm | 80-Well (8x10\n)","offer_id":48098581348584,"sku":"120765","price":40.0,"currency_code":"USD","in_stock":true},{"title":"20-25mm | 24-Well (3x8\n)","offer_id":48098581381352,"sku":"120769","price":32.0,"currency_code":"USD","in_stock":true},{"title":"22-25mm | 40-Well (4x10\n)","offer_id":48098581414120,"sku":"120767","price":40.0,"currency_code":"USD","in_stock":true},{"title":"20-25mm | 80-Well (8x10\n)","offer_id":48098581446888,"sku":"120768","price":41.0,"currency_code":"USD","in_stock":true},{"title":"25-30mm 50mL Tubes | 8-Well (2x4\n)","offer_id":48098581479656,"sku":"HS232461","price":36.0,"currency_code":"USD","in_stock":true},{"title":"25-30mm 50mL Tubes | 48-Well (6x8\n)","offer_id":48098581512424,"sku":"120770","price":48.0,"currency_code":"USD","in_stock":true},{"title":"35-40mm | 24-Well (3x8\n)","offer_id":48098581545192,"sku":"120771","price":39.0,"currency_code":"USD","in_stock":true},{"title":"35-40mm | 48-Well (6x8\n)","offer_id":48098581577960,"sku":"120772","price":43.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_b0a5f7c3-d283-4a8a-809e-3a47982abd1b.jpg?v=1772646905"},{"product_id":"heathrow-scientific-onerack-test-tube-racks-pom","title":"Heathrow Scientific OneRack® Test Tube Racks - POM | Heavy-Duty","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMaximize your laboratory organization and ensure structural integrity in demanding environments with the Heathrow Scientific OneRack® Test Tube Racks. Constructed from premium heavy-duty Polyoxymethylene (POM), these high-performance racks offer the absolute highest level of chemical and heat resistance available in a plastic rack. They will not warp, crack, or float when subjected to extreme temperature cycling, making them perfectly suited for deep freezing down to -40°C, rigorous autoclaving up to 121°C, and extended submersion in shaking water baths.\u003c\/p\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesigned with the researcher in mind, the OneRack® features unique teardrop-shaped well openings that offer superior tube retention compared to traditional circular holes. The racks include highly visible molded-in alphanumeric coordinates to guarantee rapid sample tracking and precise tube orientation. Additionally, an integrated flat side-panel provides a clean, unobstructed area for barcoding or manual labeling. Available in both Full-Size and Half-Size formats across five standard tube diameters (13mm to 30mm), and offered in multiple vibrant colors for visual project coding.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eHeavy-Duty POM Construction:\u003c\/strong\u003e Delivers superior physical strength and maximum resistance to harsh laboratory chemicals and solvents.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eExtreme Temperature Range:\u003c\/strong\u003e Fully functional and structurally stable from -40°C up to 121°C (Autoclavable).\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eWater Bath Optimized:\u003c\/strong\u003e Dense and highly stable design prevents the rack from floating or tipping over in heated water baths.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eTeardrop Well Design:\u003c\/strong\u003e Innovative well openings provide a tighter, more secure grip on inserted test tubes and centrifuge tubes.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eAlphanumeric Grid:\u003c\/strong\u003e Molded-in coordinate indexing allows for error-free sample tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering Information \u0026amp; Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eRack Format\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eWell Diameter\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eHolding Capacity\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eColor\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePart Number (SKU)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27511B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGreen\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27511C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMagenta\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27511D\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27511A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27512B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGreen\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27512C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMagenta\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27512D\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e72\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27512A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27513B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMagenta\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27513D\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27513A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27514B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e40\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27514A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27515B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGreen\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27515C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMagenta\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27515D\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27515A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFull-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e24\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eYellow\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120207\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27503B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27503A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e16\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27504A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e9\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27505B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e9\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGreen\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27505C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e9\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMagenta\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27505D\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHalf-Size\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e30mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e9\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWhite\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eHS27505A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eSpecification\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eDetail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eConstruction Material\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHeavy-Duty POM (Polyoxymethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eTemperature Tolerance\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e-40°C to 121°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSterilization\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFully Autoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWell Shape\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eTeardrop (for enhanced grip)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePackaging\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eCase of 8 Racks\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cem\u003eLabSupplies.com is an authorized distributor of Heathrow Scientific. All OneRack® POM tube racks are sold in bulk cases of 8 and ship directly from our verified USA warehouse.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Heathrow Scientific","offers":[{"title":"Full-Size | 13mm (72-Place) \/ Blue","offer_id":48098602451176,"sku":"HS27511B","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 13mm (72-Place) \/ Green","offer_id":48098602483944,"sku":"HS27511C","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 13mm (72-Place) \/ Magenta","offer_id":48098602516712,"sku":"HS27511D","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 13mm (72-Place) \/ White","offer_id":48098602549480,"sku":"HS27511A","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 16mm (72-Place) \/ Blue","offer_id":48098602582248,"sku":"HS27512B","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 16mm (72-Place) \/ Green","offer_id":48098602615016,"sku":"HS27512C","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 16mm (72-Place) \/ Magenta","offer_id":48098602647784,"sku":"HS27512D","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 16mm (72-Place) \/ White","offer_id":48098602680552,"sku":"HS27512A","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 20mm (40-Place) \/ Blue","offer_id":48098602713320,"sku":"HS27513B","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 20mm (40-Place) \/ Magenta","offer_id":48098602746088,"sku":"HS27513D","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 20mm (40-Place) \/ White","offer_id":48098602778856,"sku":"HS27513A","price":176.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 25mm (40-Place) \/ Blue","offer_id":48098602811624,"sku":"HS27514B","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 25mm (40-Place) \/ White","offer_id":48098602844392,"sku":"HS27514A","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 30mm (24-Place) \/ Blue","offer_id":48098602877160,"sku":"HS27515B","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 30mm (24-Place) \/ Green","offer_id":48098602909928,"sku":"HS27515C","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 30mm (24-Place) \/ Magenta","offer_id":48098602942696,"sku":"HS27515D","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 30mm (24-Place) \/ White","offer_id":48098602975464,"sku":"HS27515A","price":194.0,"currency_code":"USD","in_stock":true},{"title":"Full-Size | 30mm (24-Place) \/ Yellow","offer_id":48098603008232,"sku":"120207","price":187.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 20mm (20-Place) \/ Blue","offer_id":48098603041000,"sku":"HS27503B","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 20mm (20-Place) \/ White","offer_id":48098603073768,"sku":"HS27503A","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 25mm (16-Place) \/ White","offer_id":48098603106536,"sku":"HS27504A","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 30mm (9-Place) \/ Blue","offer_id":48098603139304,"sku":"HS27505B","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 30mm (9-Place) \/ Green","offer_id":48098603172072,"sku":"HS27505C","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 30mm (9-Place) \/ Magenta","offer_id":48098603204840,"sku":"HS27505D","price":136.0,"currency_code":"USD","in_stock":true},{"title":"Half-Size | 30mm (9-Place) \/ White","offer_id":48098603237608,"sku":"HS27505A","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_5922e0f4-03f4-45d7-9707-09b8c72adc34.jpg?v=1772649592"},{"product_id":"heathrow-scientific-4-way-clinical-tube-rack","title":"Heathrow Scientific 4-Way Clinical Tube Racks | Interlocking Polypropylene","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStreamline your blood collection and culture tube organization with the highly versatile Heathrow Scientific 4-Way Clinical Tube Racks. These highly adaptable, multi-sided racks are specifically designed to accommodate all major brands of 13 mm and 17 mm round, flat, and conical bottom clinical tubes. The innovative 4-way design allows technicians to utilize different sides of the rack for different tube capacities, eliminating the need to purchase multiple specialized racks.\u003c\/p\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTo support high-throughput environments, these racks feature a unique interlocking system that allows infinite units to be securely linked together. They are molded from robust, heavy-duty polypropylene, ensuring they are completely autoclavable, freezer-safe, and capable of being submerged in water baths. Built-in alphanumeric indexing ensures fast location and retrieval of critical patient samples. Supplied in economical packs of 5 and available in multiple colors for visual workflow segregation.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits all standard 13 mm and 17 mm blood collection, culture, and vacutainer tubes.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eInfinite Interlocking:\u003c\/strong\u003e Easily link multiple racks together end-to-end to create custom workstation layouts.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eMolded Indexing:\u003c\/strong\u003e Alphanumeric coordinates are molded directly into the rack for reliable sample tracking.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eExtreme Durability:\u003c\/strong\u003e Heavy-duty polypropylene resists harsh chemicals and is safe for autoclaves, water baths, and freezers.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003ePatented Design:\u003c\/strong\u003e Protected under US Patent No. D900337 for its unique 4-way utility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering Information \u0026amp; Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eTube Diameter Compatibility\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePackaging\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eRack Color\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePart Number (SKU)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13 mm \/ 17 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 5\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120684\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13 mm \/ 17 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 5\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePurple\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120685\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13 mm \/ 17 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 5\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGreen\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120686\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13 mm \/ 17 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 5\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eNatural\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120687\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e13 mm \/ 17 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 5\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eAssorted\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120683\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eSpecification\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eDetail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eConstruction Material\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHeavy-Duty Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eWell Capacities (4 Sides)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e12, 18, 12, 18 Wells\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSterilization\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFully Autoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e9.1 x 2.8 x 3.8 in (23.2 x 7.0 x 9.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cem\u003eLabSupplies.com is an authorized distributor of Heathrow Scientific. All 4-way clinical racks are sold in packs of 5.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48099088892136,"sku":"120684","price":77.0,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":48099088924904,"sku":"120685","price":77.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":48099088957672,"sku":"120686","price":77.0,"currency_code":"USD","in_stock":true},{"title":"Natural","offer_id":48099088990440,"sku":"120687","price":77.0,"currency_code":"USD","in_stock":true},{"title":"Assorted","offer_id":48099089023208,"sku":"120683","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_b60cf548-915c-4dda-8fb0-f195677ba9e6.jpg?v=1772673079"}],"url":"https:\/\/labsupplies.com\/collections\/heathrow-tube-racks.oembed","provider":"LabSupplies.com","version":"1.0","type":"link"}