Stoppers and Closures
DWK Life Sciences Wheaton™ Open Top Screw Caps with Silicone Liner
Open top screw caps have a bonded PTFE faced silicone liner that provides access with a syringe.
DWK Life Sciences Wheaton™ White Polypropylene Caps with PTFE-Faced Foamed Polyethylene Liners
Excellent for environmental samples, pharmaceuticals and diagnostic reagents
DWK Life Sciences DURAN™ Silicone Septum Seal, Peroxide cured silicone, Septum for Piercing, Use with Open Topped Screw Cap
Silicone Septum Seal for piercing
DWK Life Sciences DURAN™ Laboratory Tamper-Evident Screw Caps
Tamper-evident screw cap is available with lip seal or PTFE coated silicone seal. The integral plastic ring tears when the cap is first opened and is retained on the bottle neck. Therefore it can be clearly seen whether the bottle retains its original seal. After initial removal, can be used as normal screw cap.
DWK Life Sciences Kimble™ Aluminum Seal Caps
With PTFE-faced rubber septa
DWK Life Sciences Wheaton™ Black Phenolic Screw Caps Without Liner
Offers superior torque retention and excellent sealing characteristics
DWK Life Sciences DURAN™ Stainless Steel Multiport GL 45 Connector Cap, from PBT, GL 45, with 2 Ports
2 or 3 port connector caps for GL 45 DURAN™ bottles.
DWK Life Sciences Kimble™ Kontes™ HPLC Ultra-Ware™ Standard Filtration/Delivery Four-Valve Cap System
Parts and accessories for standard four-valve cap system
DWK Life Sciences Kimble™ Kontes™ Valve Stems for Ultra-Ware™ THF-Resistant Filtration/Delivery Four Valve Cap System
Replacement parts for Ultra-Ware™ THF-resistant filtration/delivery four valve cap system
DWK Life Sciences Wheaton™ Black Phenolic Screw Cap With Rubber Liner
Nontoxic white styrene-butadiene rubber liner
DWK Life Sciences Kimble™ Kontes™ Vacuum Filter Holders: Replacement GL45 Cap
Replacement PBT GL-45 Cap for use with ULTRA-WARE™ Filtration Adapter.
DWK Life Sciences Wheaton™ Phenolic Screw Caps for Media Bottles
PTFE faced (14B) styrene-butadiene rubber liner provides totally inert inner seal and surface facing the sample or product
DWK Life Sciences Wheaton™ Extended Controlled 20mm LDPE Dropper Tips
20mm extended controlled dropper tip made of LDPE (Low Density Polyethylene)
DWK Life Sciences Wheaton™ Low-Density Extended Controlled Dropper Tips
8mm extended controlled dropper tip made of LDPE (Low Density Polyethylene)