{"product_id":"globe-tip-154035","title":"1000 µL PosiStop Pipette Tips, Graduated — Bulk, Racked, GreenRack \u0026 Refill, Sterile \u0026 Non-Sterile | Globe Scientific","description":"\u003ch2\u003e1000 µL PosiStop Graduated Pipette Tips — Bulk, Racked, GreenRack \u0026amp; Refill (8 Packaging Options)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGlobe Scientific PosiStop Pipette Tips\u003c\/strong\u003e deliver a defined positive-stop collar that seats the tip consistently on the pipette shaft, improving seal reliability and run-to-run reproducibility for liquid handling. Graduated markings support visual volume confirmation during serial dilutions, reagent aliquoting, and PCR\/qPCR setup. Choose from bulk, pre-racked, eco-friendly GreenRack, and refill formats in sterile or non-sterile.\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 universal pipette tip, positive-stop collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e1000 µL (1 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eVirgin polypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003eN\/A — open pipette tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraduation\u003c\/th\u003e\n\u003ctd\u003eGraduated for visual volume reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSterility\u003c\/th\u003e\n\u003ctd\u003eAvailable sterile and non-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003eBulk: 1000\/bag; Racked\/GreenRack: 96\/rack, 6 racks\/box (576\/box); Refill: 96\/refill, 6 refills\/box (576\/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\u003e154035\u003c\/td\u003e\n\u003ctd\u003e$29.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Bag, Sterile (1000\/bag)\u003c\/td\u003e\n\u003ctd\u003e154035S\u003c\/td\u003e\n\u003ctd\u003e$38.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154035R\u003c\/td\u003e\n\u003ctd\u003e$49.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Sterile (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154035RS\u003c\/td\u003e\n\u003ctd\u003e$56.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreenRack (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154035ER\u003c\/td\u003e\n\u003ctd\u003e$47.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreenRack, Sterile (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154035ERS\u003c\/td\u003e\n\u003ctd\u003e$55.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefill (96\/refill, 6 refills\/box)\u003c\/td\u003e\n\u003ctd\u003e154035F\u003c\/td\u003e\n\u003ctd\u003e$29.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefill, Sterile (96\/refill, 6 refills\/box)\u003c\/td\u003e\n\u003ctd\u003e154035FS\u003c\/td\u003e\n\u003ctd\u003e$36.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReagent aliquoting and master-mix dispensing in PCR\/qPCR workflows\u003c\/li\u003e\n\u003cli\u003eSerial dilutions where graduated tips aid volume verification\u003c\/li\u003e\n\u003cli\u003eBuffer and media transfer in molecular biology and cell culture prep\u003c\/li\u003e\n\u003cli\u003eHigh-throughput plating using pre-racked or GreenRack formats\u003c\/li\u003e\n\u003cli\u003eSterile sample handling for nucleic acid and microbiology work (sterile SKUs)\u003c\/li\u003e\n\u003cli\u003eRoutine bench pipetting where bulk-bag economy is preferred\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eSold by labsupplies.com as an authorized Globe Scientific dealer, shipping from US inventory. Each bag, box, and refill carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact us for volume quotes across the PosiStop family.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the \"PosiStop\" feature do?\u003c\/h3\u003e\n\u003cp\u003eThe PosiStop collar provides a defined positive stop when the tip seats on the pipette shaft, promoting a consistent mounting depth and reliable seal for reproducible volume delivery.\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, 6 racks per box. GreenRack uses a more material-efficient rack design intended to reduce plastic waste while remaining compatible with standard pipettes.\u003c\/p\u003e\n\u003ch3\u003eAre the refill formats compatible with reusable rack bases?\u003c\/h3\u003e\n\u003cp\u003eYes. Refill inserts (96\/refill, 6 refills\/box) are designed to reload compatible rack bases, lowering per-tip cost and plastic use versus buying fully racked tips each time.\u003c\/p\u003e\n\u003ch3\u003eWhich SKUs are certified sterile?\u003c\/h3\u003e\n\u003cp\u003eThe sterile options are 154035S (bulk), 154035RS (racked), 154035ERS (GreenRack), and 154035FS (refill). Non-sterile SKUs are not suitable for applications requiring sterility assurance.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\":\"https:\/\/schema.org\",\n\"@type\":\"Product\",\n\"name\":\"PosiStop Pipette Tips, 1000 µL, Graduated\",\n\"brand\":{\"@type\":\"Brand\",\"name\":\"Globe Scientific\"},\n\"description\":\"1000 µL graduated PosiStop universal pipette tips with positive-stop collar, available in bulk, racked, GreenRack, and refill formats, sterile and non-sterile.\",\n\"sku\":[\"154035\",\"154035S\",\"154035R\",\"154035RS\",\"154035ER\",\"154035ERS\",\"154035F\",\"154035FS\"],\n\"offers\":{\n\"@type\":\"AggregateOffer\",\n\"priceCurrency\":\"USD\",\n\"lowPrice\":\"29.10\",\n\"highPrice\":\"56.40\",\n\"offerCount\":\"8\",\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{\"@type\":\"Question\",\"name\":\"What does the \\\"PosiStop\\\" feature do?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The PosiStop collar provides a defined positive stop when the tip seats on the pipette shaft, promoting a consistent mounting depth and reliable seal for reproducible volume delivery.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the difference between the standard Racked and GreenRack formats?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both supply 96 tips per rack, 6 racks per box. GreenRack uses a more material-efficient rack design intended to reduce plastic waste while remaining compatible with standard pipettes.\"}},\n{\"@type\":\"Question\",\"name\":\"Are the refill formats compatible with reusable rack bases?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Refill inserts (96\/refill, 6 refills\/box) are designed to reload compatible rack bases, lowering per-tip cost and plastic use versus buying fully racked tips each time.\"}},\n{\"@type\":\"Question\",\"name\":\"Which SKUs are certified sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The sterile options are 154035S (bulk), 154035RS (racked), 154035ERS (GreenRack), and 154035FS (refill). Non-sterile SKUs are not suitable for applications requiring sterility assurance.\"}}\n]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"Bulk Bag — 1000\/bag","offer_id":48612320084200,"sku":"154035","price":29.1,"currency_code":"USD","in_stock":true},{"title":"Bulk Bag, Sterile — 1000\/bag","offer_id":48612320116968,"sku":"154035S","price":38.4,"currency_code":"USD","in_stock":true},{"title":"Racked — 576\/box","offer_id":48612320149736,"sku":"154035R","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Racked, Sterile — 576\/box","offer_id":48612320182504,"sku":"154035RS","price":56.4,"currency_code":"USD","in_stock":true},{"title":"GreenRack — 576\/box","offer_id":48612320215272,"sku":"154035ER","price":47.4,"currency_code":"USD","in_stock":true},{"title":"GreenRack, Sterile — 576\/box","offer_id":48612320248040,"sku":"154035ERS","price":55.6,"currency_code":"USD","in_stock":true},{"title":"Refill — 576\/box","offer_id":48612320280808,"sku":"154035F","price":29.3,"currency_code":"USD","in_stock":true},{"title":"Refill, Sterile — 576\/box","offer_id":48612320313576,"sku":"154035FS","price":36.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/1000uL_posi-stop-tip_070ac517-4845-4a57-9403-06e3b9f830cf.jpg?v=1780442696","url":"https:\/\/labsupplies.com\/products\/globe-tip-154035","provider":"LabSupplies.com","version":"1.0","type":"link"}