Scienceware* Check Valves


Useful when connecting a vacuum line to a filter flask. Polyethylene valves operate positively and instantly in any position. Arrows indicate direction of free flow. Neoprene disk, no metal.
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 976.51453.325   Scienceware* Check Valves - 1/2 - 3/8 (12.7 - 9.5) , 72/CS - F197130002 F197130002 $1,135.33
 976.51447.325   Scienceware* Check Valves - 5/16 - 1/4 (7.9 - 6.4) , 72/CS - F197130001 F197130001 $823.56
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