Air ring suction unit, singlephase, without cabinet, without air/water separator, for 4 dental chairs Composition Power (Kw): 1,5 Voltage (V): 230 Frequency (Hz): 50 Revolutions/min (rpm): 2800 Vacuum level (mbar): 190 Flow (lt/min): 3500 Dimensions (cm): 33 x 28 x 35h Weight (Kg): 24 Chairs (n.): 4 Noise level (dB(A)): 64 Accessories: On request: vacuum regulator valve, control board, silencer