Available For Use : 1 dental unit Use Simultaneously : 1 unit Suction Efficiency : 300L/min Maximum Vacuum : 37-KPa Machine Voltage : AC~230V Rated Current : 4.4-3.7A Vacuum Adjustment : 20-kPа Noise : 50dB Frequency : 60-50Hz Motor Power : 550W Motor Speel : 3440 rpm Inverter Power : – Intake Pipe Size : 32mm Net Weight : 32Kg Machine Dimension : 620×540×330mm