dental suction unit Responsible, energy-saving, quiet and clean vacuum supply Fully Automatic control CE certificate dental suction unitFeatures:1, The system ... electrical control box.Optional power/performance ratio of the dry suction systems;Responsible, energy-saving, quiet and clean vacuum ... PumpRotation Speed2800rpmMax. Flow45m3/hMax. Negative Pressure12KPaNoise≤60dB(A) dental suction unit