Stoppers and Closures

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 DURAN™ GL 45 Thread Adaptor for Bottle Top Vacuum Filtration Unit

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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For bottle top vacuum filtration unit (GL 45 external, GL 56 internal).

DWK Life Sciences DURAN™ TILT GL 56 Screw Cap

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Made of polypropylene

DWK Life Sciences Wheaton™ Polypropylene Caps for Wheaton Dropping Bottles - Purple

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Screw cap made of radiation grade polypropylene

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

Thermo Scientific™ Nalgene™ HDPE Closures: Sterile, Bulk Pack

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

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Seal PET/PETG square media bottles with these HDPE closures, assuring a reliable and leakproof seal.

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™ GLS 80™ screw cap with four ports

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Flexible GLS 80™ cap connection system for use with pass through semi-rigid tubing.

DWK Life Sciences DURAN™ Screw Caps for GL S 80™ Wide Neck 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 DURAN™ GL 45 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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Distinguishing media types is simplified.

DWK Life Sciences DURAN™ GL 32 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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Distinguishing media types is simplified

DWK Life Sciences Kimble™ Kontes™ Septum PTFE-Faced Silicone Caps and Closures

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Used with open-top cap to access container with a syringe

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.

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™ 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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