Stoppers and Closures

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

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

Thermo Scientific™ Septa Caps include a bonded-in 0.045 in. thick septa.

Fisherbrand™ Disposable Polyethylene Cuvette Stoppers

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

Falcon™ Sterile Polyethylene Snap Caps Available on GSA/VA Contract for Federal Government customers only.

For Falcon Round-Bottom Tubes

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.

Fisherbrand™ Snap Caps for Nonsterile Plastic Tubes

Closures for plastic culture tubes.

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

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

Thermo Scientific™ Loose Septa are replacement septa for Thermo Scientific VOA vials and septa bottles with 24-414 open top caps.

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

Ensure leakproof performance with Nalgene Colored Polypropylene Closures—one-piece and linerless with integrally molded seal ring.

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

DWK Life Sciences Kimble™ High Temperature Cap Available on GSA/VA Contract for Federal Government customers only.

High-quality, chemical-resistant cap and liner withstands up to 180°C

Fisherbrand™ Cork Stoppers - Superior Grade

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

DWK Life Sciences DURAN™ Inserts for Screw Cap GL 18

Made from PP and PTFE this flexible modular system - five different hose diameters (3.2 mm; 6.0 mm; 8.0 mm; 10.0 mm and 12.0 mm) can be connected.

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

LDPE-Lined White Caps are for general-purpose HDPE bulk separate containers.

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

Highly resistant to temperature and steam during autoclaving

Thermo Scientific™ PTFE-Lined Closed Caps

PTFE-Lined Closed Caps are replacement caps for Thermo Scientific glass environmental sample bottles, jars, jugs and vials.

DWK Life Sciences Kimble™ Weighing Bottle Stopper Cap

Replacement cap for Kimble™ KIMAX™ 15146-series tall cylindrical weighing bottle

DWK Life Sciences Kimble™ Kontes™ Full-Length Standard Taper Pennyhead Stopper Available on GSA/VA Contract for Federal Government customers only.

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

Labconco™ Freeze-Drying Ampule Accessories

Freeze drying ampule accessories allow ampules to be used with Labconco FreeZone Freeze Dryers.

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.

Corning™ 33mm Non-Vented Polyethylene Cap

Replacement cap for all High Yield Performance (HYPER) Flasks

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