{"product_id":"globe-tip-154220","title":"200 µL Filter Pipette Tips, Graduated PosiStop Barrier — Bulk, Racked \u0026 Sterile, 1000\/Pack | Globe Scientific","description":"\u003ch2\u003e200 µL PosiStop Graduated Filter Pipette Tips — Bulk, Racked \u0026amp; Sterile, 1000\/Pack\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific PosiStop Filter Pipette Tip\u003c\/strong\u003e delivers reliable aerosol-barrier protection for 200 µL pipetting in sensitive molecular workflows. Engineered with a hydrophobic self-sealing barrier, these graduated tips guard pipettes against sample carryover during PCR setup, nucleic acid extraction, and infectious-sample handling. Choose bulk, sterile, or racked formats to match throughput and contamination-control needs.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePosiStop aerosol barrier filter pipette tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e200 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eVirgin polypropylene with hydrophobic filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003eSelf-sealing aerosol barrier (PosiStop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraduation\u003c\/th\u003e\n\u003ctd\u003eGraduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSterility\u003c\/th\u003e\n\u003ctd\u003eSterile and non-sterile options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e1000 tips per pack (bulk bag\/1000 or 10 racks of 96\/box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Packagings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003ePrice (per pack)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Bag, 1000\/bag\u003c\/td\u003e\n\u003ctd\u003e154220\u003c\/td\u003e\n\u003ctd\u003e$85.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Bag, Sterile, 1000\/bag\u003c\/td\u003e\n\u003ctd\u003e154220S\u003c\/td\u003e\n\u003ctd\u003e$90.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Sterile, 96\/rack, 10 racks\/box\u003c\/td\u003e\n\u003ctd\u003e154220RS\u003c\/td\u003e\n\u003ctd\u003e$127.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreenRack, Sterile, 96\/rack, 10 racks\/box\u003c\/td\u003e\n\u003ctd\u003e154220ERS\u003c\/td\u003e\n\u003ctd\u003e$113.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCR and qPCR reaction setup requiring aerosol contamination control\u003c\/li\u003e\n\u003cli\u003eDNA and RNA extraction and purification protocols\u003c\/li\u003e\n\u003cli\u003eNext-generation sequencing library preparation\u003c\/li\u003e\n\u003cli\u003eHandling of radioactive or infectious specimens\u003c\/li\u003e\n\u003cli\u003eClinical and diagnostic sample dispensing on automated and manual pipettes\u003c\/li\u003e\n\u003cli\u003eCell culture media transfer where sterility is critical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eGlobe Scientific tips ship from US inventory through labsupplies.com, an authorized dealer. Each bag, rack box, and case carries lot numbers, supporting full traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for repeat and high-volume procurement on request.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these PosiStop filter tips certified free of DNase, RNase, and pyrogens?\u003c\/h3\u003e\n\u003cp\u003eSterile variants are manufactured for molecular biology use and are purity-validated for the absence of DNase, RNase, and endotoxin. Confirm lot-specific documentation through labsupplies.com before validation-critical workflows.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the standard racked and GreenRack formats?\u003c\/h3\u003e\n\u003cp\u003eBoth supply 96 tips per rack across 10 racks per box. The GreenRack uses a reduced-plastic, more sustainable rack design, lowering packaging waste and per-pack cost while maintaining the same tip geometry and sterility.\u003c\/p\u003e\n\u003ch3\u003eWill the 200 µL tips fit standard micropipettes?\u003c\/h3\u003e\n\u003cp\u003eThese are universal-fit 200 µL tips compatible with most common single- and multichannel pipettes in that range. Verify seal and fit with your specific pipette brand prior to large-scale ordering.\u003c\/p\u003e\n\u003ch3\u003eHow does the PosiStop barrier prevent contamination?\u003c\/h3\u003e\n\u003cp\u003eA hydrophobic self-sealing filter blocks aerosols and liquid from reaching the pipette shaft. This stops sample-to-sample carryover and protects the instrument, which is essential in PCR and trace-level assays.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\":\"https:\/\/schema.org\",\n\"@type\":\"Product\",\n\"name\":\"Globe Scientific PosiStop 200 µL Graduated Filter Pipette Tips\",\n\"brand\":{\"@type\":\"Brand\",\"name\":\"Globe Scientific\"},\n\"description\":\"200 µL PosiStop graduated aerosol barrier filter pipette tips in bulk, sterile, racked, and GreenRack formats, 1000 tips per pack.\",\n\"offers\":[\n{\"@type\":\"Offer\",\"sku\":\"154220\",\"price\":\"85.30\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"},\n{\"@type\":\"Offer\",\"sku\":\"154220S\",\"price\":\"90.90\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"},\n{\"@type\":\"Offer\",\"sku\":\"154220RS\",\"price\":\"127.80\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"},\n{\"@type\":\"Offer\",\"sku\":\"154220ERS\",\"price\":\"113.80\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"}\n],\n\"lowPrice\":\"85.30\"\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\":\"https:\/\/schema.org\",\n\"@type\":\"FAQPage\",\n\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"Are these PosiStop filter tips certified free of DNase, RNase, and pyrogens?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sterile variants are manufactured for molecular biology use and are purity-validated for the absence of DNase, RNase, and endotoxin. 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