Stoppers and Closures
DWK Life Sciences Kimble™ Kim-Kap™ Disposable Closures
Available in natural (clear) or choice of four colors
Fisherbrand™ Disposable Polyethylene Cuvette Stoppers
Flexible fins on cap allow for tight fit that will not damage the cuvette.
Thermo Scientific™ Nalgene™ Autoclavable Septum Closure, Autoclavable, 38-430 size
Enable aseptic injection of reagent or sample withdrawal without compromising sterility or integrity of contents with this autoclavable septum closure.
Eisco™ Rubber Cones
Designed for use with Buchner Funnels in filtration assemblies, these cones are made of flexible, quality neoprene rubber. Rubber Cones have superior chemical stability, and can withstand a wide temperature range.
DWK Life Sciences DURAN™ Screw Cap GL 45 with 2-hose connector
A resusable connector GL 45 cap with two ports for connecting tubing.
DWK Life Sciences Kimble™ Black Phenolic Screw-Thread Closures
Highly resistant to temperature and steam during autoclaving
Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 20-415 Finish
Ensure leakproof performance with these colored, polypropylene closures with 20-415 finish. Closures are one-piece and linerless with integrally molded seal ring.
DWK Life Sciences Kimble™ Kontes™ Hollow White Rubber Sleeve Stoppers
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 Wheaton™ Black Phenolic Screw Cap With Rubber Liner
Nontoxic white styrene-butadiene rubber liner
DWK Life Sciences DURAN™ Grey Bromobutyl Rubber Stopper, Straight Plug, for GL 25 or GL 45 Laboratory Bottles
DURAN™ bromobutyl rubber closure provide a gas tight seal for all GL 25 and GL 45 laboratory bottles.
DWK Life Sciences Wheaton™ Black Phenolic Open Top Cap with Gray Butyl Septa and Flange
Replacement Black Phenolic Screw Caps for Media Bottles
GSC Go Science Crazy Rubber Stopper, Size 6, Solid (no-hole)
Pliable Soft Rubber Stoppers for multiple applications
DWK Life Sciences Kimble™ GL 45 Clear Pour Ring
Clear Polypropylene Pour Rings for use with GL 45 media bottles and flasks.
DWK Life Sciences Kimble™ Kontes™ Pluro Stopper Set
This autoclavable set of 7 neoprene rubber adapters is designed to fit Buchner and fritted glass funnels.
Fisherbrand™ Solid Rubber Stopper for Microchemical Apparatus
Trim to fit any opening from 4 to 12mm
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 Wheaton™ Snap-on Style Stoppers for Vials and Serum Bottles
For maximum sealing of vials with blow-back glass finish
DWK Life Sciences Kimble™ Black Phenolic Screw Caps
Bond between liner and cap retains adhesive properties even after repeated autoclaving
DWK Life Sciences DURAN™ Screw Caps for GL 45 Laboratory Glass Bottles
Suitable for silicone seal for piercing (Septa).
DWK Life Sciences DURAN™ GLS 80™ Stirred Bottle Reactor, Wide Mouth, Clear, PP / PTFE / PEEK / Stainless Steel Contact surfaces
Easy to use GLS 80™ lab bottle based reactor system with tubing connectors for use with magnetic stirrers.