Flask Closures

Flask Closures

An assortment of flask closures to accommodate a broad range specific of laboratory applications. Typically manufactured from autoclavable plastics such as polyethylene or polypropylene, flask closures are available as sterile or non-sterile, disposable or reusable, vented or unvented, and may be snap-cap or screw-cap in format. Vented flask closures commonly include a 0.2 µm filter membrane to prevent contamination of flask contents. Screw caps with plug seals are available for applications that require a tight seal, such as Thermo Scientific™ Sterilin™ Silicone Stoppers.

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Products (3)
3 Products
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Product
Brand
Autoclavable
Disposable
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Price
 
Pack
Pack
AutoclavableReusableCase
: Flint Glass. : Cover, Flask. : Use with flask that takes Rubber stopper sizes, used when solutions are being boiled to cause condensation and refluxing. : Glass.
Flask Covers Fisher Catalogue
Cut down on evaporation.
: Orange. : Polypropylene. : Orange. : Polypropylene.