Air Operated Drum Pump Motor, Air Consumption 27 cfm @ 40 psi, Air Inlet Type MNPT, Air Inlet Size 1/4 in MNPT, Air Outlet Size 1 in, Max. Air Pressure 100 psi, Min. Air Pressure 40 psi, Motor Type Pneumatic, Motor HP 1/2, Motor RPM 300 to 11,000,...