... Voltage can be from 170V~240V Warranty: 2 yea Silent, Oilless Air compressor Specification: POWER: 3/4 HPAIR FLOW:90L/minVOLTAGE:220V/50HZPRESSURE ... customers, we can supply many kinds of Dental Chair Unit, Ultrasonic Scaler, Ultrasonic Cleaner, Air compressor, Dental Cbinet, Disposable set and other a lot ...