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, Duty Cycle Continuous, Max. Head - Pumps 17 ft, Max. Head Pressure 7.35 @ 1.0sg, Max. Flow Rate 15 gpm, Height Above Container 3 9/16 in, Max. Operating Temp. 212 Degrees F, Min. Operating Temp. 0 Degrees F, Power Source Air