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” OD FEP PTFE tubing

·         953906-6347 and 953906-6390 have FFKM o-rings and are THF-resistant

·         Valve o-ring size is 010 and sidearm o-ring size is 108

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements