Model: 2RB 710-7AT37 Freq: 50 Hz Airflow: 318 m3/h Pressure: +370 mbar Vacuum: -290 mbar Inlet/Outlet: G 2 inch Dimension(L*W*H): 470x382x384 mm Stage: Single Stage Power: 4.0 Kw TH.CL: IP55 IN.CL: F or H N.weight: 42 kg Sound: 69 dB(a)