Check Valve 3in, Pack Of 6

Details:

Check valve^ useful when connecting a vacuum line to a filter flask. Polypropylene valve with neoprene valve disk. Recommended maximum pressure: 20psi (1034torr). Overall length: 76mm. 25Mm diameter tapered end in. 9.5 To 12.7Mm (3/8 to 1/2") diameter tapered end out.