{"product_id":"globe-tip-154235","title":"1000 µL PosiStop Filter Pipette Tips, Graduated, Sterile \u0026 Non-Sterile — Bulk Bag, Racked \u0026 GreenRack, 1000\/Bag \u0026 576\/Box | Globe Scientific","description":"\u003ch2\u003e1000 µL PosiStop Filter Pipette Tips, Graduated, Sterile \u0026amp; Non-Sterile — Bulk Bag, Racked \u0026amp; GreenRack\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePosiStop Filter Pipette Tip\u003c\/strong\u003e delivers aerosol-barrier protection for 1000 µL pipetting in PCR setup, qPCR template handling, and nucleic acid extraction. Graduated markings support accurate volume verification, while the hydrophobic filter blocks aerosols and liquid overaspiration to prevent cross-contamination of samples and pipette shafts.\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\u003e1000 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\u003eN\/A — PosiStop self-sealing filter barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eYes, graduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eAvailable sterile and non-sterile (see options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1000\/bag (bulk) or 576\/box (6 racks × 96)\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\u003c\/td\u003e\n\u003ctd\u003e154235\u003c\/td\u003e\n\u003ctd\u003e$104.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Bag, Sterile\u003c\/td\u003e\n\u003ctd\u003e154235S\u003c\/td\u003e\n\u003ctd\u003e$112.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Sterile\u003c\/td\u003e\n\u003ctd\u003e154235RS\u003c\/td\u003e\n\u003ctd\u003e$91.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreenRack, Sterile\u003c\/td\u003e\n\u003ctd\u003e154235ERS\u003c\/td\u003e\n\u003ctd\u003e$81.60\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 master mix and template dispensing\u003c\/li\u003e\n\u003cli\u003eNucleic acid extraction and purification workflows\u003c\/li\u003e\n\u003cli\u003eSterile cell culture media and reagent transfers\u003c\/li\u003e\n\u003cli\u003eAerosol-sensitive sample handling to prevent carryover\u003c\/li\u003e\n\u003cli\u003eSerial dilutions requiring graduated volume verification\u003c\/li\u003e\n\u003cli\u003eHigh-throughput liquid handling on benchtop pipettes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eSold by labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each bag, rack, and box carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes and standing-order terms.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these PosiStop tips DNase, RNase, and pyrogen free?\u003c\/h3\u003e\n\u003cp\u003eThe sterile PosiStop options are manufactured for molecular biology use and are intended to be free of detectable DNase, RNase, and pyrogens. Refer to the lot documentation supplied with each box for the certified specifications applicable to your shipment.\u003c\/p\u003e\n\u003ch3\u003eWhat does the GreenRack option offer versus a standard rack?\u003c\/h3\u003e\n\u003cp\u003eSKU 154235ERS supplies the same sterile, graduated 1000 µL filter tips in an eco-conscious GreenRack format that reduces plastic packaging waste. It ships 96 tips per rack across 6 racks, matching the standard racked configuration for loading on most pipettes.\u003c\/p\u003e\n\u003ch3\u003eWhich pipettes are these 1000 µL filter tips compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese tips fit most standard single- and multichannel air-displacement pipettes rated for the 1000 µL volume range. Always confirm fit against your specific pipette model, since universal compatibility varies by manufacturer.\u003c\/p\u003e\n\u003ch3\u003eHow many tips come in the bulk bag versus the racked options?\u003c\/h3\u003e\n\u003cp\u003eBulk bag SKUs 154235 and 154235S contain 1000 tips per bag. Racked SKUs 154235RS and 154235ERS supply 96 tips per rack across 6 racks per box, totaling 576 tips per box.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"1000 µL PosiStop Filter Pipette Tips, Graduated\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"1000 µL PosiStop graduated aerosol-barrier filter pipette tips, available sterile and non-sterile in bulk bag, racked, and GreenRack formats.\",\n  \"sku\": [\"154235\", \"154235S\", \"154235RS\", \"154235ERS\"],\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"81.60\",\n    \"highPrice\": \"112.90\",\n    \"offerCount\": \"4\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"labsupplies.com\"}\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    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these PosiStop tips DNase, RNase, and pyrogen free?\",\n      \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The sterile PosiStop options are manufactured for molecular biology use and are intended to be free of detectable DNase, RNase, and pyrogens. Refer to the lot documentation supplied with each box for the certified specifications applicable to your shipment.\"}\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does the GreenRack option offer versus a standard rack?\",\n      \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"SKU 154235ERS supplies the same sterile, graduated 1000 µL filter tips in an eco-conscious GreenRack format that reduces plastic packaging waste. It ships 96 tips per rack across 6 racks, matching the standard racked configuration for loading on most pipettes.\"}\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which pipettes are these 1000 µL filter tips compatible with?\",\n      \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These tips fit most standard single- and multichannel air-displacement pipettes rated for the 1000 µL volume range. 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