Air ring aspirator unit, with metal cabinet, with air/water separator, with control board, with automatic draining pump, for 1 dental chair Composition Power (Kw): 0,35 / 0,45 Voltage (V): 230 Frequency (Hz): 50 / 60 Revolutions/min (rpm): 2800 / 3400 Vacuum level (mbar): 110 Flow (lt/min): 1250 Dimensions (cm): 40 x 35 x 45h Weight (Kg): 25 Chairs (n.): 1 Noise level (dB(A)): 51 Accessories: Metal cabinet, control board, air/water separator, automatic draining pump