TYPE 2TW-2R Voltage 220V/50Hz 110V/60Hz Pumping Speed (CFM) 4 5 Ultimate Vacuum (Pa) 5×10-1 Power (hp) 1/3 Speed (r/min) 1440    1720 Suction hole connecting thread 5/16 Oil (ml) 280 Size (mm) 340×135×260 Weight (kg) 11