Air pump 1.quick starting 2.low noise 3.widely used in dental,medical,oxygen generate scope and so on Air pump Voltage/frequency 220-240V-50HZ Power(W) 780Speed(R/min) 1380Ambient Temperature(°C) 5-40Flow(L/min) 135Rated Pressure(Bar) 7Restart Pressure (Bar) 0Thermal Protector(°C) 125±5Insulation Class BDimension(mm) 251*128*216N.W.(kg) 10 Air Pump