{"product_id":"globe-tip-154305","title":"20 µL Filter Pipette Tips, Low-Retention, Sterile — PosiStop, Bulk Bag 1000\/Pack | Globe Scientific","description":"\u003ch2\u003ePosiStop 20 µL Low-Retention Filter Pipette Tips, Sterile, Graduated — Bulk Bag of 1000\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePosiStop Filter Pipette Tip\u003c\/strong\u003e delivers aerosol-barrier protection and low-retention performance for trace-sensitive workflows. Engineered for PCR and qPCR setup, nucleic acid handling, and sample dilution, these 20 µL sterile tips minimize carryover and cross-contamination while ensuring full sample recovery at small volumes.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFilter Pipette Tip (Aerosol Barrier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e20 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin Polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eIntegrated PosiStop barrier filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eGraduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface\u003c\/td\u003e\n\u003ctd\u003eLow-retention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eSterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003eBulk bag, 1000 tips\/bag\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\u003ctd\u003eBulk Bag, Sterile (1000\/bag)\u003c\/td\u003e\n\u003ctd\u003e154305S\u003c\/td\u003e\n\u003ctd\u003e$96.00\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-barrier protection\u003c\/li\u003e\n\u003cli\u003eLow-volume nucleic acid (DNA\/RNA) transfer and dilution series\u003c\/li\u003e\n\u003cli\u003eSample loading where carryover contamination must be eliminated\u003c\/li\u003e\n\u003cli\u003eTrace-level reagent dispensing benefiting from low-retention surfaces\u003c\/li\u003e\n\u003cli\u003eQuantitative pipetting of viscous or protein-rich samples\u003c\/li\u003e\n\u003cli\u003eMolecular diagnostics and sequencing library preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eGlobe Scientific PosiStop tips ship from US inventory through labsupplies.com, an authorized dealer. Each bag carries a lot number supporting traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact us for volume quotes on standing orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the low-retention surface improve at 20 µL?\u003c\/h3\u003e\n\u003cp\u003eThe hydrophobic, low-retention finish reduces liquid adhesion to the tip wall, improving sample recovery and pipetting accuracy for small, precious, or surfactant-containing volumes.\u003c\/p\u003e\n\u003ch3\u003eAre these tips supplied sterile and nuclease-free?\u003c\/h3\u003e\n\u003cp\u003eYes. SKU 154305S is supplied sterile in a bulk bag of 1000, suitable for PCR, qPCR, and molecular biology workflows requiring contamination control.\u003c\/p\u003e\n\u003ch3\u003eHow does the PosiStop barrier prevent contamination?\u003c\/h3\u003e\n\u003cp\u003eThe integrated filter blocks aerosols and liquid from reaching the pipette shaft, preventing sample-to-sample carryover and protecting the instrument from cross-contamination.\u003c\/p\u003e\n\u003ch3\u003eHow are the tips packaged?\u003c\/h3\u003e\n\u003cp\u003eThey are supplied as a bulk bag of 1000 tips rather than racked, an economical format for high-throughput labs that refill their own racks or boxes.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"PosiStop 20 µL Low-Retention Filter Pipette Tips, Sterile, Graduated — Bulk Bag of 1000\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"priceCurrency\": \"USD\",\n    \"price\": \"96.00\",\n    \"sku\": \"154305S\",\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  }\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\": \"What does the low-retention surface improve at 20 µL?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The hydrophobic, low-retention finish reduces liquid adhesion to the tip wall, improving sample recovery and pipetting accuracy for small, precious, or surfactant-containing volumes.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these tips supplied sterile and nuclease-free?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. SKU 154305S is supplied sterile in a bulk bag of 1000, suitable for PCR, qPCR, and molecular biology workflows requiring contamination control.\"}},\n    {\"@type\": \"Question\", \"name\": \"How does the PosiStop barrier prevent contamination?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The integrated filter blocks aerosols and liquid from reaching the pipette shaft, preventing sample-to-sample carryover and protecting the instrument from cross-contamination.\"}},\n    {\"@type\": \"Question\", \"name\": \"How are the tips packaged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They are supplied as a bulk bag of 1000 tips rather than racked, an economical format for high-throughput labs that refill their own racks or boxes.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"Bulk Bag, Sterile — 1000\/bag","offer_id":48613010669800,"sku":"154305S","price":96.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/20uL_posi-stop-filtertip_a44c45e8-4178-4f83-a35e-0d2b9d2e5e37.jpg?v=1780454355","url":"https:\/\/labsupplies.com\/products\/globe-tip-154305","provider":"LabSupplies.com","version":"1.0","type":"link"}