Stoppers and Closures

Fisherbrand™ Disposable Polyethylene Cuvette Stoppers

Fisherbrand™ Disposable Polyethylene Cuvette Stoppers

Flexible fins on cap allow for tight fit that will not damage the cuvette.

Thermo Scientific™ LDPE Foam-lined Polypropylene Caps for Bulk Separates

Thermo Scientific™ LDPE Foam-lined Polypropylene Caps for Bulk Separates

Use these LDPE foam-lined caps are for general-purpose HDPE bulk separate containers.

Thermo Scientific™ Nalgene™ Closures for Dropper Bottles: Bulk Pack

Thermo Scientific™ Nalgene™ Closures for Dropper Bottles: Bulk Pack

Order these closures, which are available in multiple colors to help identify reagents, to complete your dropper bottle system.

PYREX™ Hollow Glass Standard Taper Joint Stopper <img src=

PYREX™ Hollow Glass Standard Taper Joint Stopper Available on GSA/VA Contract for Federal Government customers only.

Hollow stoppers, closed at bottom, conform to ASTM™ E 675-94

DWK Life Sciences Kimble™ Kim-Kap™ Disposable Closures <img src=

DWK Life Sciences Kimble™ Kim-Kap™ Disposable Closures Available on GSA/VA Contract for Federal Government customers only.

Available in natural (clear) or choice of four colors

DWK Life Sciences Kimble™ Kontes™ Medium Length Pennyhead Stoppers , 14/20

DWK Life Sciences Kimble™ Kontes™ Medium Length Pennyhead Stoppers , 14/20

Stoppers are used with laboratory glassware such as flasks, mixing cylinders and separatory funnels.

Thermo Scientific™ I-Chem™ Open-Top Septa Caps, 24-414mm, bonded septa, bulk

Thermo Scientific™ I-Chem™ Open-Top Septa Caps, 24-414mm, bonded septa, bulk

Choose this high-quality septa cap, which meets EPA performance-based specifications for Volatile Organic Analysis, to use with our septa vials, bottles and jars.

DWK Life Sciences Wheaton™ Flange Style Rubber Stopper <img src=

DWK Life Sciences Wheaton™ Flange Style Rubber Stopper Available on GSA/VA Contract for Federal Government customers only.

For research and parenteral drug applications

DWK Life Sciences Kimble™ Kontes™ Full-Length Standard Taper Pennyhead Stopper

DWK Life Sciences Kimble™ Kontes™ Full-Length Standard Taper Pennyhead Stopper

Stoppers are used with laboratory glassware such as flasks, mixing cylinders and separatory funnels.

PYREX™ Solid Glass Pennyhead Standard Taper Stoppers <img src=

PYREX™ Solid Glass Pennyhead Standard Taper Stoppers Available on GSA/VA Contract for Federal Government customers only.

For use with flask and separatory funnel

DWK Life Sciences Kimble™ Kontes™ Hollow White Rubber Sleeve Stoppers <img src=

DWK Life Sciences Kimble™ Kontes™ Hollow White Rubber Sleeve Stoppers Available on GSA/VA Contract for Federal Government customers only.

Hollow stopper fits into the neck of the glassware apparatus. Series 774261 may be used at up to 125°C for up to 8 hours.

DWK Life Sciences Kimble™ Flat Disk Septa for Screw-Thread Closures <img src=

DWK Life Sciences Kimble™ Flat Disk Septa for Screw-Thread Closures Available on GSA/VA Contract for Federal Government customers only.

PTFE faced septa provides barrier for product contact

Fisherbrand™ LDPE Test Tube Stoppers

Fisherbrand™ LDPE Test Tube Stoppers

Designed for disposable test tubes.

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 20-415 Finish <img src=

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 20-415 Finish Available on GSA/VA Contract for Federal Government customers only.

Ensure leakproof performance with these colored, polypropylene closures with 20-415 finish. Closures are one-piece and linerless with integrally molded seal ring.

Thermo Scientific™ I-Chem™ Loose Septa for 24-414 Open Top Caps

Thermo Scientific™ I-Chem™ Loose Septa for 24-414 Open Top Caps

Select these replacement septa for specific vials and septa bottles with 24-414 open top caps.

PYREX™ Fritted Disc Stopper Assemblies for Gas Washing Bottles

PYREX™ Fritted Disc Stopper Assemblies for Gas Washing Bottles

Choice of coarse (C) or extra-coarse (EC) fritted disc

Fisherbrand™ Cork Stoppers - Superior Grade

Fisherbrand™ Cork Stoppers - Superior Grade

Corks are cut from high-quality wood and are selected to meet superior standards

Thermo Scientific™ Nalgene™ Carboy Replacement Screw Closures and Gaskets <img src=

Thermo Scientific™ Nalgene™ Carboy Replacement Screw Closures and Gaskets Available on GSA/VA Contract for Federal Government customers only.

Secure-fitting Thermo Scientific™ Nalgene™ Replacement Screw Closures and Gaskets for Nalgene Carboys provide leakproof† service

Heidolph™ Distiller Equipment Caps: Threaded Cap Inlet

Heidolph™ Distiller Equipment Caps: Threaded Cap Inlet

Caps for use with Heidolph distillers

PYREX™ Media Bottle Septa <img src=

PYREX™ Media Bottle Septa Available on GSA/VA Contract for Federal Government customers only.

For use with open-top PBT caps

DWK Life Sciences Wheaton™ White Polypropylene Open-Top Caps w/PTFE Faced Silicone Liners for E-Z Ex-Traction™ Vials <img src=

DWK Life Sciences Wheaton™ White Polypropylene Open-Top Caps w/PTFE Faced Silicone Liners for E-Z Ex-Traction™ Vials Available on GSA/VA Contract for Federal Government customers only.

Suitable for storage and containment of volatile solvents, sensitive compounds or corrosive chemicals

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