Flask Closures

PYREX™ Polypropylene Caps for Erlenmeyer Flasks

As supplied with Pyrex™ Brand Media/Solution bottles. Choose orange caps for temperatures to 140°C (284°F), red caps for temperatures to 180°C (356°F).

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™ Nunc™ Sterile Flask Replacement Filter Caps

Allow constant airflow and minimize chance of contamination by using individually packed Thermo Scientific™ Nunc™ Sterile Flask Replacement Filter Caps.

PYREX™ Culture Flask Closure

For use with 1135 culture flasks, 1138/10 Fernbach flasks and 1141 baffled flasks.

Corning™ Universal CellSTACK™ Caps

For filling, venting, and manipulation

Thermo Scientific™ Sterilin™ Silicone Stoppers

Guarantee a tight, reliable seal for your glass and plastic flasks. Suitable for use in food, biological and pharmaceutical applications.

PYREX™ GL45 Screw Cap with Plug Seal

Nonsterile, reusable caps

Corning™ ProCulture Gas Venting Cap for Vertical Sidearm Flasks

Used to provide gases into larger spinner flasks with vertical sidearms during cell culture

Corning™ Universal CellSTACK™ Caps

For filling, venting, and manipulation

Corning™ ProCulture Gas Venting Cap With PTFE Filter For Vertical Sidearm Flasks

Can be used with larger Spinner Flasks with vertical sidearms to enhance productivity of cell culture

Corning™ Disposable Spinner Flask Vent Cap

Designed to fit Corning 500mL, 1L and 3L disposable spinner flasks.

PYREX™ Polypropylene Flask Closures

Designed for culture tubes and flasks with long rimless necks

Corning™ Direct Overhead Drive 120mm Center Cap Assembly

For use with Proculture™ spinner flasks

Corning™ 33mm Caps

Solid or vented

Corning™ Universal CellSTACK™ Caps

For filling, venting, and manipulation

Falcon™ Vented Screw Caps for Flasks, Sterile

Designed for use with Falcon 25-, 75-, and 175cm2 flasks

Corning™ Universal CellSTACK™ Caps

For filling, venting, and manipulation

Corning™ Solid Cap

33 mm threaded cap

BRAND™ Replacement PFA Screw Cap

Replacement PFA Screw Cap suitable for use with a range of volumetric flasks.

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