Filtering Flasks

Use filtering flasks, also known as vacuum flasks, Buchner flasks, suction flasks, Kitasato flasks or side-arm flasks, for rapid filtration of liquids in numerous general laboratory procedures. The typical flask design has a conical shape with a flat bottom, tapered neck, and a sidearm for use in vacuum filtration. The thick walls of the flasks can withstand pressure under vacuum. Flasks, which can also be manufactured from polystyrene, are available in a variety of volumes and socket sizes, as well as graduated or ungraduated formats. Flasks may be used with accessories, such as a Buchner funnel that is fitted through a rubber bung or a Buchner ring. Sidearms may be part of the flask or detachable, with barb-like rings on the tip to allow for connection to vacuum tubing. Replace glass flasks with shatter-proof, autoclavable Thermo Scientific™ Nalgene™ Polypropylene Vacuum Flasks, which are molded in one piece for full vacuum service with angled tubulation to prevent tipping.
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Nalgene™ Polypropylene Vacuum Flask Thermo Scientific™

Replace glass flasks with the Thermo Scientific™ Nalgene™ Polypropylene Vacuum Flask, molded in one piece for full vacuum service with angled tubulation to prevent tipping. This shatter-proof, autoclavable flask can withstand vacuum to 30″ Hg making it a valuble contribution to your lab safety...