Bottle Closures

Stopper Assortments

Soft, durable, resilient rubber designed for long life.

Fisherbrand™ Soft Glass Rods

With rounded and fire-polished ends.

Twistit: Four Stoppers in One

Multi-purpose and economical

Kimble™ Polyethylene Snap Cap

Snap cap tight fit prevents leakage or evaporation.

American Educational Products Two-Hole Rubber Stoppers

Pliable, noncorrosive and deformation resistant.

United Scientific Supplies Stirring Rods with Rubber Policeman

Glass stirring rods are supplied with rubber policemen already attached.

American Educational Products Solid Rubber Stoppers

Pliable, noncorrosive and deformation resistant.

Economical Cork Stoppers

For all of your laboratory needs.

Fisherbrand™ Colored Screw Caps

For use with nonsterile skirted- and conical-bottom tubes

Thermo Scientific™ Molecular BioProducts™ Flange Caps

Nonautoclavable polyethylene, for use with 12 and 13mm test and culture tubes

Fisherbrand™ Snap Caps for Nonsterile Plastic Tubes

Available in polystyrene and polyethylene

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

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

Thermo Scientific™ 13mm Autosampler Vial Screw Thread Caps

13mm Screw Thread Caps feature a 13-425 thread finish. Available in an assortment of styles, pre-assembled caps and septa minimize contamination.

Thermo Scientific™ PTFE/Rubber Laminated Discs

For a highly inert and unreactive seal use Thermo Scientific™ PTFE/Rubber Laminated Discs.

Thermo Scientific™ 13mm Autosampler Vial Septa

13mm Septa for use with threaded caps Snap/Crimp Caps are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE.

Thermo Scientific™ Nalgene™ Friction-Fit Polypropylene Closures for Plastic Centrifuge Tubes

Easily remove Thermo Scientific™ Nalgene™ Friction-Fit Polypropylene Closures for Plastic Centrifuge Tubes from the centrifuge with a convenient pull tab.

Thermo Scientific™ National Open-Top Caps without Septum for 4mL Screw Thread Vials

Thermo Scientific™ National Open-Top Caps without Septum for 4mL Screw Thread Vials are designed with open-top for use with any of our 13mm septa.

Thermo Scientific™ Nalgene™ HDPE Tamper Evident Closures, Sterile, Bulk-Pack

Nalgene™ HDPE Tamper Evident Closures are specially designed for use with PET/PETG square media bottles. Featuring a tamper evident break ring design which combines the unique leakproof† nature of the Nalgene bottles/closure system with the possibility to ensure proof of content integrity.

Thermo Scientific™ SUN-SRi™ 11mm Aluminum Seals

For StepVials™, wide opening and standard opening 12×32mm aluminum seal vials

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