RAM Portable Pumps - High Pressure; These air powered mobile units feature the exclusive Alemite RAM air motor for quiet operation and quick serviceability. Models include cover mounted pump, follower, 7' delivery hose, Z-swivel, control handle. All models include a built-in control handle holder on the cover and have a 3" diameter air motor. Air inlet is 1/4" female pipe thread. Material outlet is 3/8" female.