Stoppers and Closures

DWK Life Sciences Membrane Venting GL Screw Cap, Blue PP, Welded-in Expanded PTFE Membrane, Membrane for Pressure Equilisation During Autoclaving

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Laboratory bottle screw caps for autoclaving and sterile storage of media.

DWK Life Sciences DURAN™ Blue Pouring Ring For GLS 80™ Laboratory Bottle

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Pouring ring permits clean, drop-free use.

DWK Life Sciences DURAN™ GL 32 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™ Pouring Ring For GLS 80™ Laboratory Bottle

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Pouring ring permits clean, drop-free use.

Thermo Scientific™ Nalgene™ Septum Closures: Sterile, Bulk Pack, 38-430mm

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

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Combine elastomeric sealing of silicone with nonreactive PTFE reagent contact surfaces in these septum closures for media bottles.

DWK Life Sciences Kimble™ High Temperature Pour Ring

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Durable, drip-free pour ring ideal for Kimble bottles and flasks

DWK Life Sciences Wheaton™ Phenolic Screw Caps for Media Bottles

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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PTFE faced (14B) styrene-butadiene rubber liner provides totally inert inner seal and surface facing the sample or product

DWK Life Sciences Wheaton™ Black Phenolic Screw Cap with Open Top

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Autoclavable screw caps, without liner

DWK Life Sciences Wheaton™ Polypropylene Caps for S/T Bottles

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 Glass Diagnostic Bottles

DWK Life Sciences Wheaton™ Microlink Caps

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Open top caps are ideal for storing and containing volatile solvents, sensitive compounds and corrosive chemicals

DWK Life Sciences Wheaton™ Polypropylene Caps With Dropper Tips - Brown

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Thermo Scientific™ Nalgene™ Polypropylene Pour Spout

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

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Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Vented to allow smooth flow for easy liquid dispensing.

DWK Life Sciences Kimble™ Kontes™ Vacuum Filter Holders: Replacement GL45 Cap

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Replacement PBT GL-45 Cap for use with ULTRA-WARE™ Filtration Adapter.

DWK Life Sciences Wheaton™ Natural 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 Kimble™ Black Phenolic Screw Caps

GSA/VA Contract
Available on GSA/VA contract for Federal Government customers.
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Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Bond between liner and cap retains adhesive properties even after repeated autoclaving