Caps and Closures

Thermo Scientific™ Caps for Nunclon™ Delta Flasks

Protect your valuable cell culture samples. These caps for Thermo Scientific™ Nunclon™ Delta Flasks are offered in two styles—vent/close, filter—to meet application needs.

Thermo Scientific™ Nalgene™ Mason Jar Replacement Closures Available on GSA/VA Contract for Federal Government customers only.

Fit these replacement closures onto Thermo Scientific™ Nalgene™ Mason Jars.

Fisherbrand™ Soft Glass Rods Products for Science Education

With rounded and fire-polished ends.

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™ 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.

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

Constructed from polyethylene

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™ Capitol Vial 10mL and 12mL Threaded Transport Tubes with Pre-Assembled Screw-Caps

Thermo Scientific™ Capitol Vial Pre-Capped 10mL and 12mL Threaded Transport Tubes are fabricated from FDA approved clarified polypropylene resin for visual clarity.

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

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

Develop in-house fluid transfer systems for accurate filling or dispensing. These stopcocks provide reliable, accurate liquid flow control.

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

For use with nonsterile skirted- and conical-bottom tubes

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

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

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™ 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.

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.

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™ 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™ LDPE Foam-lined Polypropylene Caps for Bulk Separates

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

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 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™ Microtiter Tube Plug Strip

Seal 1.2mL microtiter tubes tightly for storage using these polyethylene plug strips.

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™ Nalgene™ Colored Polypropylene Closures with 38-430 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™ 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™ Octagon Magnetic Stir Bar Products for Science Education

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

Thermo Scientific™ Nalgene™ Polypropylene Stirring Rod Available on GSA/VA Contract for Federal Government customers only.

Combine functions of a stirring rod and rubber policeman with these polypropylene stirring rods, featuring a flat paddle at one end and a triangular paddle at the other end.

Fisherbrand™ Solid Rubber Stoppers Products for Science Education

Black Natural Rubber/SBR Blend for general purpose uses

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