{"product_id":"208-3193-020-sera-separa-blood-tube","title":"5 mL Caps, LDPE, Natural, BD® Compatible — 208-3193-020 | 100\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e5 mL Sera-Separa® Blood Tube Columns with Fine Filter (15–45 µm) — LDPE, Natural, BD® Compatible (208-3193-020)\u003c\/h2\u003e\n\u003cp\u003eThese Caplugs® Evergreen Sera-Separa® Blood Tube Columns are designed for gravity-flow serum and plasma separation inside standard 13×75 mm (5 mL) blood collection tubes, making them the ideal choice for pediatric draws, small-volume stat collections, and any workflow where a centrifuge is unavailable or impractical. Each column features a fine-filter disk rated at 15–45 microns that retains cells and fibrin while allowing clarified serum or plasma to pass through in 5–10 minutes under gravity alone. Supplied non-sterile in 100\/Bag packaging, part number 208-3193-020 is manufactured from low-density polyethylene (LDPE) in a natural (translucent) color.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e208-3193-020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Format\u003c\/td\u003e\n\u003ctd\u003eSera-Separa® Blood Tube Column\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume \/ Tube Format\u003c\/td\u003e\n\u003ctd\u003e5 mL (fits 13×75 mm blood collection tubes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Pore Size\u003c\/td\u003e\n\u003ctd\u003e15–45 microns (fine filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eLow-Density Polyethylene (LDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e100\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalate \/ Latex\u003c\/td\u003e\n\u003ctd\u003eBPA-Free, Phthalate-Free, Latex-Free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGravity-flow serum separation from SST, red-top, and PST tubes — no centrifuge required\u003c\/li\u003e\n\u003cli\u003ePlasma preparation from lithium heparin (green-top) and EDTA (lavender-top) 5 mL tubes for immunoassay, coagulation, and chemistry panels\u003c\/li\u003e\n\u003cli\u003ePediatric and neonatal blood collection workflows where draw volume is limited to 5 mL or less\u003c\/li\u003e\n\u003cli\u003ePoint-of-care and satellite lab settings where centrifuge access is restricted or time-sensitive\u003c\/li\u003e\n\u003cli\u003eStat testing protocols requiring rapid serum or plasma clarification within 5–10 minutes\u003c\/li\u003e\n\u003cli\u003eParallel plasma preparation alongside CBC workflows using EDTA tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThese columns are dimensioned for standard 13×75 mm (5 mL) blood collection tubes and serve as a centrifuge-free separation solution across the most common tube formats in clinical use. Compatible tube types include the BD Vacutainer® SST II (gold-top), BD Vacutainer® plain red-top, BD Vacutainer® PST II (light-green), BD Vacutainer® K2EDTA (lavender), and BD Vacutainer® lithium heparin (green-top), as well as equivalent 13×75 mm formats from Greiner Bio-One and Sarstedt (S-Monovette). The flexible LDPE column body seats conformally within the tube without requiring precision-fit tolerances, accommodating the slight dimensional variation that occurs across tube manufacturers and production lots. Laboratories currently using the 9 mL Sera-Separa® format (208-3084-020) for adult draws can adopt these 5 mL columns as the direct pediatric and small-draw counterpart within the same workflow.\u003c\/p\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEDTA (K2\/K3 anticoagulant)\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLithium heparin\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSodium citrate\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerum separator gel matrices\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids and bases\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthanol \/ alcohols\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents (chloroform, DCM)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents (toluene, xylene)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Sera-Separa® columns are produced at a Caplugs® Evergreen U.S. manufacturing facility operating under ISO 9001 quality management controls. The LDPE resin is FDA-compliant and free of BPA, phthalates, and latex, ensuring minimal extractables that could interfere with downstream immunoassay, coagulation, or clinical chemistry testing. LabSupplies.com is an authorized dealer of Caplugs® Evergreen laboratory consumables and ships from USA inventory, typically same business day for stocking items. Volume pricing and written quotes are available for multi-bag orders and hospital-system standing orders.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these columns require a centrifuge to separate serum or plasma?\u003c\/strong\u003e\u003cbr\u003eNo — the Sera-Separa® design uses gravity flow through the 15–45 micron fine-filter disk. After allowing the tube to clot or anticoagulate, inserting the column and waiting approximately 5–10 minutes delivers clarified serum or plasma without any centrifugation step.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich blood collection tube brands and types are compatible with these columns?\u003c\/strong\u003e\u003cbr\u003eThe columns are sized for standard 13×75 mm (5 mL) tubes and have been noted as compatible with BD Vacutainer® SST II, red-top, PST II, lithium heparin, and K2EDTA formats, as well as equivalent tubes from Greiner Bio-One and Sarstedt. Always verify dimensional fit against your specific tube lot before full implementation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAre these columns sterile, and can they be used for clinical patient samples?\u003c\/strong\u003e\u003cbr\u003eThese columns are supplied non-sterile and are intended for in-vitro laboratory use. Sterility requirements for your specific application should be evaluated according to your laboratory's standard operating procedures and applicable regulatory guidelines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs there a larger-volume version available for adult blood draws?\u003c\/strong\u003e\u003cbr\u003eYes — the companion 9 mL Sera-Separa® Blood Tube Column (208-3084-020) is designed for standard adult-draw tubes. Laboratories can deploy both formats side by side, using the 5 mL columns for pediatric and small-draw specimens and the 9 mL columns for routine adult collections.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"5 mL Sera-Separa® Blood Tube Columns, Fine Filter 15–45 µm, LDPE, Natural, 100\/Bag — BD® Compatible\",\"sku\":\"2083193020E1\",\"mpn\":\"208-3193-020\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Low-Density Polyethylene (LDPE)\",\"color\":\"Natural\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"482.77\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Do these columns require a centrifuge to separate serum or plasma?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — the Sera-Separa® design uses gravity flow through the 15–45 micron fine-filter disk. After allowing the tube to clot or anticoagulate, inserting the column and waiting approximately 5–10 minutes delivers clarified serum or plasma without any centrifugation step.\"}},{\"@type\":\"Question\",\"name\":\"Which blood collection tube brands and types are compatible with these columns?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The columns are sized for standard 13×75 mm (5 mL) tubes and have been noted as compatible with BD Vacutainer® SST II, red-top, PST II, lithium heparin, and K2EDTA formats, as well as equivalent tubes from Greiner Bio-One and Sarstedt. Always verify dimensional fit against your specific tube lot before full implementation.\"}},{\"@type\":\"Question\",\"name\":\"Are these columns sterile, and can they be used for clinical patient samples?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"These columns are supplied non-sterile and are intended for in-vitro laboratory use. Sterility requirements for your specific application should be evaluated according to your laboratory's standard operating procedures and applicable regulatory guidelines.\"}},{\"@type\":\"Question\",\"name\":\"Is there a larger-volume version available for adult blood draws?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes — the companion 9 mL Sera-Separa® Blood Tube Column (208-3084-020) is designed for standard adult-draw tubes. Laboratories can deploy both formats side by side, using the 5 mL columns for pediatric and small-draw specimens and the 9 mL columns for routine adult collections.\"}}]}\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48555931009256,"sku":"2083193020E1","price":482.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/208-3193-020_01_31554641-9f04-4765-92ea-86d79c4c5e88.jpg?v=1778722825","url":"https:\/\/labsupplies.com\/products\/208-3193-020-sera-separa-blood-tube","provider":"LabSupplies.com","version":"1.0","type":"link"}