{"title":"Heathrow Scientific Parafilm \u0026 Sealing Film","description":"\u003cp\u003eParafilm® M rolls and sterile strips, Parafilm dispensers, foil rolls, ContainerSeal™ and bag heat sealers for closing tubes, flasks, plates and sample bags.\u003c\/p\u003e","products":[{"product_id":"parafilm-m-laboratory-sealing-film","title":"Parafilm M Laboratory Sealing Film Rolls - HS234526 Series","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eProtecting sensitive samples from evaporation, contamination, and spills requires a reliable, versatile seal. Parafilm® M is an essential laboratory film constructed from a proprietary blend of waxes and polyolefins that stretches up to 200% of its original length. This extreme elasticity allows it to cling tightly over irregularly shaped test tubes, beakers, flasks, and petri dishes, forming an airtight, waterproof barrier. Manufactured domestically, this semi-transparent film resists tearing while providing a secure defense against moisture loss and accidental exposure to hazardous materials.\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\u003eExtreme Elasticity:\u003c\/strong\u003e Stretches to more than twice its original length, allowing a single piece to securely wrap around various container openings and awkward shapes.\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\u003eMoisture Barrier:\u003c\/strong\u003e Creates a tight, self-sealing barrier that aggressively prevents evaporation and volume loss in critical media and buffers.\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\u003eChemical Resistance:\u003c\/strong\u003e Offers effective resistance for up to 48 hours against saline solutions, inorganic acids, and alkaline solutions without degrading.\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\u003eSafe for General Use:\u003c\/strong\u003e The wax\/polyolefin blend is completely non-toxic, odorless, and semi-transparent to allow easy visual inspection of sealed contents.\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\u003eClean Removal:\u003c\/strong\u003e While the seal holds tight under tension, it peels away cleanly without leaving sticky residue on expensive glassware.\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 Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS234526 \/ 120265 \/ 120762\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 (AMCOR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWax \/ Polyolefin Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElasticity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStretches \u0026gt;200%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eToxicity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-toxic, Odorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContinuous Roll\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\"\u003eSealing Erlenmeyer flasks, beakers, and test tubes during media prep\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\"\u003eWrapping petri dishes to prevent contamination and retain moisture during 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\"\u003eProtecting delicate instruments or cuvettes from dust while stored on benchtops\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 Parafilm safe to use in an autoclave?\u003c\/strong\u003e\u003cbr\u003eNo. Because it is partially made from wax, it has a relatively low melting point (around 60°C) and will completely melt and ruin your samples if run through an autoclave.\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 it withstand organic solvents?\u003c\/strong\u003e\u003cbr\u003eWhile highly resistant to water, acids, and alkalis, Parafilm is not recommended for prolonged use with strong non-polar organic solvents, which may dissolve the film.\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 are there different widths?\u003c\/strong\u003e\u003cbr\u003eThe standard 2-inch (50mm) and 4-inch (100mm) widths are ideal for standard test tubes and flasks. The massive 20-inch (500mm) roll is designed for covering large trays, oversized containers, or creating custom sterile fields.\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\"\u003eParafilm M® is a registered trademark of Amcor Limited. Rolls are manufactured under strict domestic quality controls to ensure consistent stretch, tear resistance, and chemical defense across every batch.\u003c\/p\u003e\n","brand":"Heathrow Scientific","offers":[{"title":"2 in x 250 ft (50mm x 75m) \/ Natural","offer_id":48092979888360,"sku":"HS234526A","price":39.6,"currency_code":"USD","in_stock":true},{"title":"2 in x 250 ft (50mm x 75m) \/ Purple","offer_id":48092979921128,"sku":"120762","price":39.6,"currency_code":"USD","in_stock":true},{"title":"4 in x 125 ft (100mm x 38m) \/ Natural","offer_id":48092979953896,"sku":"HS234526B","price":43.2,"currency_code":"USD","in_stock":true},{"title":"4 in x 250 ft (100mm x 75m) \/ Natural","offer_id":48092979986664,"sku":"HS234526C","price":69.3,"currency_code":"USD","in_stock":true},{"title":"20 in x 50 ft (500mm x 15m) \/ Natural","offer_id":48092980019432,"sku":"120265","price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_7fa0caa1-d34b-4f26-b18b-09374aa8a91d.jpg?v=1772336195"},{"product_id":"heathrow-scientific-parafilm-dispenser-cutter-abs","title":"Heathrow Scientific Parafilm Dispenser \u0026 Cutter - 120660 Series | ABS Safety Blade","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eStreamline your daily sealing protocols and eliminate dangerous benchtop scissors with the Heathrow Scientific Box Top Parafilm Dispenser. Designed for maximum laboratory flexibility, this versatile unit accommodates both 2-inch (50 mm) and 4-inch (100 mm) Parafilm® M rolls without requiring any internal adjustments. Constructed from high-impact ABS plastic, the housing is incredibly durable, highly stable during use, and easy to wipe clean of chemical spills or biological contaminants.\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\"\u003eSafety and precision are at the forefront of this dispenser's design. It features an innovative, integrated sliding safety razor that effortlessly glides across the film, delivering a perfect, clean cut every single time. Because the blade is fully housed within the slider mechanism, researchers are completely protected from accidental fingertip cuts—a common hazard when wrestling with standard scissors or exposed razor blades. Every dispenser includes two heavy-duty safety blades to guarantee long-lasting, reliable performance.\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 Roll Fit:\u003c\/strong\u003e Engineered to hold both 2\" and 4\" wide Parafilm rolls, making it a highly versatile addition to any workstation.\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\u003eIntegrated Safety Razor:\u003c\/strong\u003e A smooth-gliding cutter delivers straight, consistent cuts without exposing researchers to a sharp blade edge.\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\u003eDurable ABS Housing:\u003c\/strong\u003e The heavy-duty plastic construction is built to survive accidental drops and rigorous daily lab use.\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\u003eZero Scissor Hazard:\u003c\/strong\u003e Completely eliminates the need to keep dirty, contaminated scissors near your sterile cell culture hoods or clean benches.\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\u003eBonus Blades Included:\u003c\/strong\u003e Each unit ships with two replaceable safety blades to ensure you are ready to work out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\"\u003eVariant Description\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\"\u003eBlue\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120667\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e      \u003ctr\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\u003e120668\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eNatural (Clear\/White)\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e120758\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\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\"\u003eCompatible Roll Sizes\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e2\" (50 mm) and 4\" (100 mm) Widths\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eCutting Mechanism\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSliding Safety Razor (Enclosed Blade)\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\"\u003e4.9\" x 6.8\" x 3.9\" (12.3 x 17.2 x 9.9 cm)\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 Dispenser (Includes 2 Blades)\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 parafilm dispensers ship directly from our verified USA inventory.\u003c\/em\u003e\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48097817198824,"sku":"120667","price":27.9,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":48097817231592,"sku":"120668","price":27.9,"currency_code":"USD","in_stock":true},{"title":"Natural (Clear\/White)","offer_id":48097817264360,"sku":"120758","price":27.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_68b77eef-c1f4-4bd3-931e-cf93ebc6d14b.jpg?v=1772640168"},{"product_id":"heathrow-scientific-120722-replacement-blades-box-top-parafilm-dispenser-pk3","title":"Heathrow Scientific 120722 Replacement Blades for Box Top Parafilm® Dispenser, pk3","description":"\u003cp\u003e\u003cstrong\u003eHeathrow Scientific 120722 Replacement Blades for Box Top Parafilm Dispenser are stainless steel replacement blades designed for Parafilm M box top dispensers.\u003c\/strong\u003e\u003c\/p\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific 120722 Replacement Blades are genuine stainless steel safety blades designed as direct replacements for the Box Top Parafilm® M Dispenser. Each pack contains 3 blades (23mm), maintaining the clean, fingertip-safe sliding cut that the Box Top Dispenser is built around. When a blade dulls and Parafilm® starts tearing instead of cutting cleanly, 120722 restores full cutting performance without replacing the dispenser body.\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\u003eGenuine Heathrow Scientific Replacement:\u003c\/strong\u003e Exact-specification 23mm stainless steel blades engineered for the Box Top Parafilm® Dispenser — guaranteed fit with no modifications required.\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\u003eStainless Steel Construction:\u003c\/strong\u003e Corrosion-resistant material maintains a sharp, clean cutting edge through repeated use, delivering consistent Parafilm® cuts every time.\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\u003eFingertip-Safe Design:\u003c\/strong\u003e Blades operate within the dispenser's integrated safety slider — no exposed cutting edge, eliminating the accidental cuts that come with scissors or standard utility blades.\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\u003ePack of 3:\u003c\/strong\u003e Three blades per pack provides extended service life, keeping your dispenser operational across multiple blade changes before reordering.\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\u003eExtends Dispenser Life:\u003c\/strong\u003e Replacing only the blade — not the entire dispenser body — is a cost-effective way to maintain consistent Parafilm® cutting performance at a fraction of the cost of a new unit.\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\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\"\u003eProperty\u003c\/th\u003e\n \u003cth class=\"p-2 border border-gray-300\"\u003eValue\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\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e120722\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eCompatible Dispenser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBox Top Parafilm® M Dispenser (120667, 120668, 120758)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eBlade Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eBlade Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eBlack (ABS housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eDimensions (L × W × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e3.0\" × 4.25\" × 1.0\" (7.6 × 10.8 × 2.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e0.02 lb (9 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eHeathrow Scientific\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\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eReplacement blades are essential consumables in any lab that regularly seals flasks, tubes, petri dishes, or glassware with Parafilm® M. High-throughput molecular biology, microbiology, and cell culture labs where Parafilm® is used daily will burn through blades faster and benefit most from keeping 120722 in stock. Clinical labs, pharmaceutical QC benches, and food science applications that seal containers for storage or incubation are also common users. Having spare blades on hand eliminates workflow interruption when a dull blade causes ragged cuts mid-experiment.\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\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhich Box Top Parafilm® Dispensers are compatible with SKU 120722 replacement blades?\u003c\/strong\u003e\u003cbr\u003e\nSKU 120722 blades are compatible with the Heathrow Scientific Box Top Parafilm® M Dispensers: \u003ca href=\"\/search?q=120667\"\u003e120667 (Blue)\u003c\/a\u003e, \u003ca href=\"\/search?q=120668\"\u003e120668 (Purple)\u003c\/a\u003e, and \u003ca href=\"\/search?q=120758\"\u003e120758 (White)\u003c\/a\u003e. All three dispenser models use the same 23mm blade slot.\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\"\u003e\u003cstrong\u003eHow do I know when it's time to replace the blade in my Box Top Dispenser?\u003c\/strong\u003e\u003cbr\u003e\nReplace the blade when Parafilm® M tears unevenly, requires extra force to cut, or leaves a ragged edge instead of a clean straight cut. Dull blades can also cause the film to stick to the blade rather than releasing cleanly after cutting.\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\"\u003e\u003cstrong\u003eHow many replacement blades come in a pack, and what are they made of?\u003c\/strong\u003e\u003cbr\u003e\nSKU 120722 includes 3 replacement blades per pack. The blades are stainless steel, 23mm, and are designed for the safety sliding mechanism built into all Heathrow Scientific Box Top Parafilm® Dispensers.\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\"\u003e\u003cstrong\u003eAre these blades safe to handle during replacement?\u003c\/strong\u003e\u003cbr\u003e\nThe blades are designed to operate within the dispenser's enclosed safety slider and should be handled carefully during changeover. Always follow standard lab safety practices when handling any sharp instrument.\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\u003ch3 style=\"margin-top: 20px;\"\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3 blades per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3 style=\"margin-top: 20px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cstrong\u003eQ: What are the Heathrow Scientific 120722 Replacement Blades made of?\u003c\/strong\u003e\u003cbr\u003eA: The Heathrow Scientific 120722 Replacement Blades are made of stainless steel.\u003c\/div\u003e\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cstrong\u003eQ: How many blades are included in a pack of Heathrow Scientific 120722?\u003c\/strong\u003e\u003cbr\u003eA: Each pack of Heathrow Scientific 120722 Replacement Blades contains 3 blades.\u003c\/div\u003e\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cstrong\u003eQ: What are the dimensions of the Heathrow Scientific 120722 Replacement Blades?\u003c\/strong\u003e\u003cbr\u003eA: The blades have a dimension of 23 mm.\u003c\/div\u003e\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cstrong\u003eQ: Where are Heathrow Scientific 120722 Replacement Blades manufactured?\u003c\/strong\u003e\u003cbr\u003eA: These replacement blades are manufactured in China.\u003c\/div\u003e\u003ch3 style=\"margin-top: 20px;\"\u003eOrdering\u003c\/h3\u003e\u003cp\u003eAuthorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Pack of 3","offer_id":48099251126504,"sku":"120722","price":13.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_5958118d-01ad-426a-b218-4506908ffa65.jpg?v=1772684189"},{"product_id":"heathrow-scientific-foil-rolls","title":"Heathrow Scientific Foil Rolls","description":"\u003cp\u003eCustom-sized pieces of foil can easily be created for covering small surfaces such as beakers, flasks, tubes and Petri dishes\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo sizes available\u003c\/li\u003e\n\u003cli\u003eWithstands autoclaving, incubating, and freezing temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\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\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\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\u003eRoll Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 ft (152.4 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.015 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eRoll Width\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS23534A\u003c\/td\u003e\n\u003ctd\u003e4 in (10.2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS23536A\u003c\/td\u003e\n\u003ctd\u003e6 in (15.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Heathrow Scientific","offers":[{"title":"4 in","offer_id":49094312329448,"sku":"HS23534A","price":14.4,"currency_code":"USD","in_stock":true},{"title":"6 in","offer_id":49094312362216,"sku":"HS23536A","price":20.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/Heathrow-Scientific-FOIL-ROLLS-_383__76502.1717549818.jpg?v=1789742085"},{"product_id":"heathrow-scientific-bag-sealer-heat-sealer-with-cutter","title":"Heathrow Scientific Bag Sealer \/ Heat Sealer with Cutter","description":"\u003cp\u003eThis bag sealer provides a fast, efficient, and reliable way to seal polyethylene or polypropylene bags, sheets or flat tubing\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSliding blade removes excess material 19 mm from the seal\u003c\/li\u003e\n\u003cli\u003eCan seal a bag up to 12 in (30.5 cm) long\u003c\/li\u003e\n\u003cli\u003eHeating element measures 31 cm long and is only hot when sealing\u003c\/li\u003e\n\u003cli\u003eIncludes one replacement part kit\u003c\/li\u003e\n\u003cli\u003eAdditional replacement part kits can be ordered separately\u003c\/li\u003e\n\u003cli\u003eTiming knob ensures safe sealing\u003c\/li\u003e\n\u003cli\u003eFor use with PE and PP products only. Not compatible with combination plastic\/paper pouches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\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\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeige\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\u003e17.6 x 3.4 x 6.5 in (44.6 x 8.6 x 16.6 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 extra blades, 2 extra heating elements, 2 extra PTFE cloths\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\u003ePart Numbers\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eElectrical Input\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS28272\u003c\/td\u003e\n\u003ctd\u003e110-120 VAC, US\/Taiwan\/Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS28270\u003c\/td\u003e\n\u003ctd\u003e220-230 vac, uk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS28271\u003c\/td\u003e\n\u003ctd\u003e220-230 VAC, Cont. Europe\/Israel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Heathrow Scientific","offers":[{"title":"110-120 VAC, US\/Taiwan\/Japan","offer_id":49095517503720,"sku":"HS28272","price":234.9,"currency_code":"USD","in_stock":true},{"title":"220-230 VAC, UK","offer_id":49095517536488,"sku":"HS28270","price":234.9,"currency_code":"USD","in_stock":true},{"title":"220-230 VAC, Cont. Europe\/Israel","offer_id":49095517569256,"sku":"HS28271","price":234.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/Heathrow-Scientific-BAG-SEALER-HEAT-SEALER-WITH-CUTTER-_1446__79530.1717550675.jpg?v=1789743117"},{"product_id":"heathrow-scientific-acrylic-dispenser-for-parafilm-m-sealing-film-hs234524","title":"Heathrow Scientific Acrylic Dispenser for Parafilm® M Sealing Film - HS234524","description":"\u003cp\u003eThe Acrylic Dispenser for Parafilm® M Sealing Film is made of heavy-duty construction for increased durability. 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Engineered from a unique blend of waxes and polyolefins, Parafilm® stretches up to 200% of its original size, conforming tightly to irregular surfaces such as test tubes, beakers, petri dishes, and flasks. 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