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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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(283)7 Products
Filter
Class: Class VI. Closure Color: White. No. per Case: 100. Closure Type: Filter.
Closure Color: Orange. Closure Material: Polypropylene. Color: Orange. Diameter (Metric) Outer Neck: 3.8 cm
Cut down on evaporation.
Closure Material: HDPE. Product Type: Cap, Filling. Diameter (Metric) Outer Neck: 3.3 cm Disposable: Single-use.
Closure Material: Polyethylene. Color: Blue. For Use With (Equipment): Falcon™ 25 cm2 flasks. Includes: 0.2μm Membrane vent
Closure Material: Aluminum. No. per Pack: 10. Autoclavable: Autoclavable.
Diameter (Metric) Base: 10 mm. Diameter (Metric)Top: 12.5 mm Material: Silicone. Length (Metric): 20 mm.