Caps and Closures

Fisherbrand™ Microcentrifuge Tube Accessory Micro Tube Tool

For use in capping or decapping Fisherbrand Microcentrifuge Tubes with Snap Caps

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

Guarantee a leakproof system using Thermo Scientific™ Nalgene™ Replacement Screw Closures and Gaskets.

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

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

Thermo Scientific™ Nalgene™ Narrow-Mouth and Wide-Mouth Bottle Replacement Closures Available on GSA/VA Contract for Federal Government customers only.

Fit these replacement closures onto Thermo Scientific™ Nalgene™ narrow-mouth and wide-mouth bottles.

3B Scientific™ Rubber Stopper Sets Products for Science Education

Available with no hole, one hole and two holes.

Fisherbrand™ Colored Screw Caps Available on GSA/VA Contract for Federal Government customers only.

For use with nonsterile skirted- and conical-bottom tubes

Fisherbrand™ PTFE Disposable Stir Bars Products for Science Education Available on GSA/VA Contract for Federal Government customers only.

The multifaceted magnetic stirring bar surface adds turbulence relative to similar size smooth cylindrical stirring bars

Fisherbrand™ Black Phenolic PolyCone Caps

Form an exceptionally tight seal and offer a good chemical barrier. Fisherbrand™ Black Phenolic PolyCone Caps are used from liquids, to soaps, to macro-invertebrates.

Thermo Scientific™ Screw Cap Microcentrifuge Tube Caps Available on GSA/VA Contract for Federal Government customers only.

Prevent leakage under demanding conditions. These screw-cap tube caps with o-rings are optimized for secure short-term storage in low temperatures.

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

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

Thermo Scientific™ Nalgene™ Sealing Cap Assemblies Available on GSA/VA Contract for Federal Government customers only.

Process tubes at their highest rated speed level (10,000 x g or greater) without leakage, even when full with Thermo Scientific™ Nalgene™ Sealing Cap Assemblies.

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 24-415 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.

Thermo Scientific™ PTFE-Lined Closed Caps

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

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures with 28-415 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.

Thermo Scientific™ Nalgene™ Closures for Dropper Bottles: Bulk Pack Available on GSA/VA Contract for Federal Government customers only.

Order these closures to complete the Thermo Scientific™ Nalgene™ Dropper Bottle System. Closures fit dropper bottles 312750 and 312751.

Fisherbrand™ Octagon Magnetic Stir Bars Products for Science Education Available on GSA/VA Contract for Federal Government customers only.

Octagon magnetic stirring bars with integral pivot ring are the most commonly used shape

Fisherbrand™ White Polypropylene PE Foam/PTFE Cap

Economical alternative to Thermoset and Phenolic PTFE lined caps. Fisherbrand™ White Polypropylene PE Foam/PTFE Cap have a PTFE facing, backed by F217 liners.

Thermo Scientific™ Komet Stir Bars

Generate over three times the torque of conventional stirring bars with Thermo Scientific™ Komet Stir Bars, significantly enhancing stirrer performance and versatility.

Fisherbrand™ White Ribbed Polypropylene Caps with Pulp/Vinyl Liner

Commonly used for food, beverage, medical and chemical applications packed at less than 120° F. Fisherbrand™ White Ribbed Polypropylene Caps with Pulp/Vinyl Liner are known for good impact strength and resistant to mild acids, alkalis, solvents, alcohols, oils and aqueous products.

Fisherbrand™ Black Phenolic Rubber Caps

Perfect for general use. Fisherbrand™ Black Phenolic Rubber Caps are autoclavable.

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.

Thermo Scientific™ Nalgene™ Centrifuge Bottle Sealing Cap Assembly Available on GSA/VA Contract for Federal Government customers only.

Provide an added level of reliability when running at maximum speeds with the Nalgene Centrifuge Bottle Sealing Cap Assembly, for use with selected 250mL centrifuge bottles.

Thermo Scientific™ Nalgene™ Three-way Stopcock Available on GSA/VA Contract for Federal Government customers only.

Experience in-house fluid transfer system flexibility with this three-way stopcock, arranged in a T-shape to simply any two — or all three — arms of the stopcock with ease.

Thermo Scientific™ Nalgene™ Sterile Polypropylene Biotainer Replacement Closures

Protect the contents in your Thermo Scientific™ Biotainer™ bottles and carboys.

Thermo Scientific™ Heat-Shrink Bands for Nalgene™ PETG Media Bottles Available on GSA/VA Contract for Federal Government customers only.

Ensure the integrity of bottle contents with these tamper-resistant seals. Heat-shrink bands are gamma stable and include a perforated “tear strip” feature for easy removal.

Thermo Scientific™ Nalgene™ Colored Polypropylene Closures: Bulk Pack Available on GSA/VA Contract for Federal Government customers only.

Eliminate spills with one-piece Thermo Scientific™ Nalgene™ Colored Polypropylene Closures, which fit Nalgene narrow-mouth 4mL bottles.

Thermo Scientific™ Nalgene™ Polypropylene Pour Spout

Enjoy easy one-handed liquid dispensing without leaving bottles completely open to the environment. Vented to allow smooth flow for easy liquid dispensing.

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