{"product_id":"globe-tip-151145","title":"20 µL Extended-Length Pipette Tips, Universal Natural PP, Certified — Bulk, Racked, Filtered \u0026 Sterile, 4 Pack Formats | Globe Scientific","description":"\u003ch2\u003e0.1–20 µL Certified Universal Pipette Tips, 45 mm Extended Length, Natural PP — 4 Packaging Formats\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific 0.1–20 µL Extended-Length Pipette Tips\u003c\/strong\u003e are certified, universal-fit tips molded from natural virgin polypropylene for accurate low-volume dispensing. Their 45 mm extended profile reaches deep into narrow vessels and microcentrifuge tubes, making them well suited for PCR setup, serial dilutions, and reagent aliquoting across most major micropipette brands.\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\u003eUniversal Pipette Tip (Certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e0.1 – 20 µL, 45 mm extended length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNatural virgin polypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eN\/A — universal-fit tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eNot graduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile, or sterile (SKU 151145RS-96)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1000\/bag; or 96\/rack × 10 racks\/box (960\/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\u003ctd\u003eBulk Bag (1000\/stand-up resealable bag)\u003c\/td\u003e\n\u003ctd\u003e151145\u003c\/td\u003e\n\u003ctd\u003e$32.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked (96\/rack, 10 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e151145R-96\u003c\/td\u003e\n\u003ctd\u003e$84.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Filtered (96\/refill rack, 10 refill racks\/box)\u003c\/td\u003e\n\u003ctd\u003e151145RF\u003c\/td\u003e\n\u003ctd\u003e$62.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Sterile (96\/rack, 10 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e151145RS-96\u003c\/td\u003e\n\u003ctd\u003e$95.40\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 assembly requiring sub-microliter accuracy\u003c\/li\u003e\n\u003cli\u003eSerial dilution series in microplates and microtubes\u003c\/li\u003e\n\u003cli\u003eReagent and master-mix aliquoting into deep 96-well plates\u003c\/li\u003e\n\u003cli\u003eEnzyme and primer dispensing for molecular biology workflows\u003c\/li\u003e\n\u003cli\u003eLoading agarose and polyacrylamide gels with the extended tip\u003c\/li\u003e\n\u003cli\u003eSterile cell-culture media additions using the gamma-irradiated sterile format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory for fast fulfillment. Each bag, rack and box carries lot numbers that 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.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the difference between the filtered and non-filtered racked tips?\u003c\/h3\u003e\n\u003cp\u003eSKU 151145RF includes a hydrophobic barrier filter to guard against aerosol and sample carryover, protecting both the pipette and the sample. The standard racked tips (151145R-96) are unfiltered for routine, non-critical dispensing.\u003c\/p\u003e\n\u003ch3\u003eAre these tips compatible with my micropipettes?\u003c\/h3\u003e\n\u003cp\u003eYes. They are universal-fit and designed to seal on most major brands of single- and multichannel micropipettes covering the 0.1–20 µL range. We recommend verifying seal and calibration on first use.\u003c\/p\u003e\n\u003ch3\u003eWhich format should I choose for sterile applications?\u003c\/h3\u003e\n\u003cp\u003eSelect SKU 151145RS-96, which ships sterile in racks of 96 (10 racks\/box). The other three formats are non-sterile and intended for general laboratory use.\u003c\/p\u003e\n\u003ch3\u003eWhat does the 45 mm extended length offer?\u003c\/h3\u003e\n\u003cp\u003eThe extended tip reaches into deep-well plates, narrow tubes, and tall vessels without contaminating the pipette barrel, improving access for low-volume transfers in confined sample formats.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific 0.1–20 µL Certified Universal Pipette Tips, 45 mm Extended Length, Natural PP\",\n  \"brand\": { \"@type\": \"Brand\", \"name\": \"Globe Scientific\" },\n  \"description\": \"Certified universal-fit 0.1–20 µL pipette tips, 45 mm extended length, natural polypropylene. Available in bulk bag, racked, filtered, and sterile formats.\",\n  \"sku\": [\"151145\", \"151145R-96\", \"151145RF\", \"151145RS-96\"],\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"32.50\",\n    \"highPrice\": \"95.40\",\n    \"offerCount\": 4\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\": \"What is the difference between the filtered and non-filtered racked tips?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"SKU 151145RF includes a hydrophobic barrier filter to guard against aerosol and sample carryover, protecting both the pipette and the sample. 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