{"product_id":"caplugs-230-1700-03k-5000l-pipet-tips-po-natural","title":"500–5000 µL Pipet Tips, Two-Step Tiered, PP, Natural — 230-1700-03K | 250\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e500–5000 µL Reservoir Pipet Tips — Pipetman® Replacement, PP, Natural, 250\/Bag (230-1700-03K)\u003c\/h2\u003e\n\u003cp\u003eThese 500–5000 µL polypropylene pipet tips are precision-molded from virgin PP in a reservoir tip geometry, serving as a direct replacement for Gilson Pipetman® and other large-volume pipettors in the 500–5000 µL class. Supplied non-sterile in 250\/Bag, they are engineered for multi-brand compatibility across research, clinical, and quality-control laboratory environments. Natural (clear) construction provides full sample visibility during aspiration and dispensing, enabling immediate confirmation of complete sample delivery and absence of air gaps.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e230-1700-03K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume Range\u003c\/td\u003e\n\u003ctd\u003e500–5000 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Style\u003c\/td\u003e\n\u003ctd\u003eReservoir Tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eNatural (Clear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e250\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalates\u003c\/td\u003e\n\u003ctd\u003eBPA-free; phthalate-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLarge-volume liquid handling and sample transfer requiring full visual confirmation of aspiration\u003c\/li\u003e\n\u003cli\u003eSerial dilution and reagent dispensing in the 500–5000 µL range\u003c\/li\u003e\n\u003cli\u003eViscous solution handling — protein-rich media, glycerol-containing buffers, and similar matrices where standard tips exhibit elevated residual volume\u003c\/li\u003e\n\u003cli\u003eCell biology workflows where the wide-bore reservoir opening reduces shear-induced cell damage during transfer\u003c\/li\u003e\n\u003cli\u003eGeneral clinical chemistry, quality control, and biotech process workflows requiring a reliable large-volume consumable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThese tips are engineered as a drop-in replacement for Gilson Pipetman® P5000 and P2000 pipettors, with the reservoir tip shaft geometry providing a positive, leak-free seal at standard Gilson shaft tolerances. Validated fits also include the Eppendorf® Research Plus 5 mL, Thermo Fisher Finnpipette® 5 mL, VWR® Signature™ 5 mL, and Labnet® MultiPette 5 mL — all sharing standard large-volume taper dimensions. Because shaft tolerances vary across pipettor condition and manufacturer, a five-tip aspiration validation is recommended before committing to a high-volume purchase on any brand not previously tested in your specific lab environment. Worn or out-of-tolerance shafts may require additional evaluation regardless of brand.\u003c\/p\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids and bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols (\u0026lt;70%)\u003c\/td\u003e\n\u003ctd\u003eGood — short-term contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlycerol-containing buffers\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtein-rich media\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetone \/ chloroform \/ aromatic solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcentrated chlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Caplugs® Evergreen tips are molded from virgin, FDA-compliant polypropylene resin that is BPA-free and free of phthalate plasticizers. Manufacturing operates under ISO 9001 quality management to ensure consistent lot-to-lot dimensional tolerance — critical for maintaining seal integrity and aspiration accuracy across large-volume protocols. LabSupplies.com is an authorized Caplugs® Evergreen dealer shipping from USA inventory, with tiered pricing available for institutional, hospital, and grant-funded procurement programs.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these tips sterile?\u003c\/strong\u003e\u003cbr\u003eNo — they are supplied non-sterile in 250\/Bag bulk packaging. For applications requiring sterility, such as cell culture or nucleic acid work, contact us about sterile tip options in this volume class.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill these tips fit my Gilson Pipetman® P5000?\u003c\/strong\u003e\u003cbr\u003eYes — the reservoir tip geometry is validated for the Gilson Pipetman® P5000 and P2000 shafts. As with any OEM replacement tip, a short aspiration validation test is recommended when opening a new lot or switching from OEM supply.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use these tips with viscous samples like glycerol buffers?\u003c\/strong\u003e\u003cbr\u003eYes. Polypropylene exhibits good resistance to glycerol-containing solutions and protein-rich media, and the reservoir tip geometry minimizes residual volume retention that is common with standard narrow-bore large-volume tips.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the pack size, and is larger volume pricing available?\u003c\/strong\u003e\u003cbr\u003eEach bag contains 250 tips. LabSupplies.com offers tiered institutional pricing for laboratories purchasing in higher quantities — contact our procurement team for volume discount information.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"500–5000 µL Reservoir Pipet Tips, Pipetman® Replacement — PP, Natural, 250\/Bag\",\"sku\":\"230-1700-03K\",\"mpn\":\"230-1700-03K\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"Natural\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"33.62\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these tips sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — they are supplied non-sterile in 250\/Bag bulk packaging. 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