Designed to be used with the five-valve, four-valve and filtration caps to provide safe, in-line filtration that replaces the traditional pour-and-wait funnel filtration method. The unique bevel-seal makes a vacuum tight O-ring connection to the PTFE tubing. The Hi-Vac* valve is easier to open under vacuum than the standard stopcock. Closing the valve provides vacuum degassing after filtration. Each unit is supplied with 3 feet (91 cm) of 1/4 in. OD FEP tubing.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.