Foot Switches, Pneumatic: Type - Pneumatic AirVal Foot Switch; Construction Style - Open, General Purpose; Control Function - 4-Way Momentary; Air Flow - 30 CFM at 100 PSI; Exhaust - 25 CFM at 100 PSI; Line Pressure - 150 PSI (max); Operating Force - 10 lb; Port Style - Exterior Housing; Port Size - 1/8-27 NPT (input & output); Material - Cast Iron Housing; Size - WxLxH - 3.45 x 4.56 x 1.78 in (87.6 x 115.8 x 45.2 mm); Temperature Rating - -18 to 55 deg C (0 to 131 deg F); Mounting - Non-Skid Base, (2) Holes; Replacement Interior Valve - 4-30F2-SI; Manufacturer Series - Clipper