Dual Stage 220V 50Hz 8CFM 240L/min; 110V 60Hz 9.6CFM 288L/min Ultimate Vacuum: 5*10^(-1)PA/25Microns ; Power: 3/4 HP Rotating Speed: 220W/50HZ 1440 r/min; 110W/60HZ 1720r/min Inlet Port: 1/4 SAE; Oil Capacity: 650; Size: 425*155*280 mm