Stoppers and Closures

Corning™ GL45 Three-Hole Delivery Cap, Red High Temperature (180°C) PBT with PTFE liner

For use with 1/8 in. O.D. PTFE tubing

DWK Life Sciences Kimble™ Kontes™ HPLC Ultra-Ware™ Standard Three-Valve Delivery Cap and Parts

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Parts and accessories for standard three-valve cap system

DWK Life Sciences Wheaton™ 48-400 Polypropylene Caps, Unlined

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Case of 1700 unlined white polypropylene caps for bottles with screw cap tops size 48-400.

Thermo Scientific™ Nalgene™ Polypropylene Fluid-Transfer Closure

Greener Choice
Offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”

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Perform fluid transfer in the lab or field with this 70mm closure compatible with Thermo Scientific™ Nalgene™ Mason Jars (Cat. No. 2115).

DWK Life Sciences Kimble™ Safety System Three Kit

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Reduces the safety hazards of aluminum-foil wrapped solvent containers

DWK Life Sciences Kimble™ Kontes™ Storage Caps for HPLC Ultra-Ware Plastic-Coated Conical Bottom Reservoirs

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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DWK Life Sciences DURAN™ Open Topped Screw Cap, Central Aperture, Red PBT

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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PBT screw cap with an open top and high temperature and chemical resistance.

DWK Life Sciences Kimble™ Phenolic Caps with Solid PE Liners

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Has good resistance to acids, alcohols, alkalis, aqueous solutions, oils, solvents

Corning™ PYREX™ Media Bottle Septa

SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
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GSA/VA Contract
Available on GSA/VA contract for Federal Government customers.
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For use with open-top PBT caps

DWK Life Sciences Wheaton™ Black Phenolic Solid Top Screw Caps

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Providing safe, secure and chemically inert storage. Wheaton™ Black Phenolic Solid Top Screw Caps are manufactured from the highest quality materials.

DWK Life Sciences DURAN™ GL 45 Red Pouring Rings For Screw Caps

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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ETFE pouring ring

DWK Life Sciences DURAN™ GL 25 Screw Caps for Laboratory Glass Bottles

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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High leak tightness through use of PTFE coated silicone seal. More chemically resistant than PP screw cap.

DWK Life Sciences Wheaton™ Black Phenolic Screw Caps with PTFE Faced 14B White Rubber Liner

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Provides completely inert inner seal and surface for sample or product

DWK Life Sciences Wheaton™ Red Polypropylene Caps for Narrow-Mouth Containers

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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For use with Wheaton leak-resistant narrow mouth bottles

DWK Life Sciences Wheaton™ Green Starline Polypropylene Caps for Redi-Pak™ Narrow-Mouth Containers

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Caps that are the perfect fit for WHEATON Leak Resistant Narrow Mouth Bottles