Bottle Caps

DWK Life Sciences Kimble™ Black Phenolic Screw-Thread Closures

Highly resistant to temperature and steam during autoclaving

DWK Life Sciences Kimble™ Black Phenolic Screw Caps

Bond between liner and cap retains adhesive properties even after repeated autoclaving

PYREX™ Media Bottle High-Temperature Caps

With drip-free pouring ring

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 DURAN™ Screw Caps for GL 45 Laboratory Glass Bottles

Suitable for silicone seal for piercing (Septa).

DWK Life Sciences Kimble™ GL 45 Clear Pour Ring

Clear Polypropylene Pour Rings for use with GL 45 media bottles and flasks.

Corning™ GL45 Polypropylene Screw Caps

Linerless plug seal design for efficient sealing

DWK Life Sciences DURAN™ Stopper, GL 25 and GL 45, Bromobutyl Rubber, Straight Plug, Grey Bromobutyl Rubber, for GL 25 and 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 Screw Cap With Rubber Liner

Nontoxic white styrene-butadiene rubber liner

Corning™ Reusable Phenolic Screw Caps With Rubber Liners

Specially formulated phenolic resin resists the effects of temperature and steam in autoclaving

DWK Life Sciences Wheaton™ Black Phenolic Screw Cap with PTFE-Faced Rubber Liner

Features PTFE faced (14B) styrene-butadiene rubber liner

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.

DWK Life Sciences Wheaton™ Black Phenolic Cap with Rubber Liner

14B rubber-lined caps feature a nontoxic, white, styrene-butadiene rubber liner, ideal for cell culture work

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 20-415 Finish

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

Fisherbrand™ White Polypropylene Caps

White polypropylene screw caps provides clear surface for writing on cap

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.

Corning™ Black Phenolic Threaded Screw Caps

Resist effects of temperature and steam in autoclaving

Qorpak™ Black Phenolic PolyCone Lined Caps

Forms an exceptionally tight seal and offer a good chemical barrier. Qorpak™ Black Phenolic PolyCone Lined Caps is used for everything from liquids, to soaps, to macro-invertebrates.

Thermo Scientific™ Nalgene™ Septum Closures: Sterile, Bulk Pack, 38-430mm

Combine elastomeric sealing of silicone with nonreactive PTFE reagent contact surfaces in these septum closures for media bottles.

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™ Laboratory Premium Caps

Cap is molded from a dye-free polymer to avoid risk of leaching with PTFE coated silicone seal

Corning™ GL32 Orange Polypropylene Screw

Use a linerless plug seal design for efficient sealing