Dual Stage 220V 50Hz 6CFM 180L/min; 110V 60Hz 7.2CFM 216L/min Ultimate Vacuum: 5*10^(-1)PA/25Microns ; Power: 3/4 HP Rotating Speed: 22W/50HZ 1440 r/min; 11W/60HZ 1720r/min Inlet Port: 1/4 SAE; Oil Capacity: 600; Size: 390*145*280 mm