Dimensions and technical details 220-240 V ~ 50 Hz Housing colour: white Housing material: robust plastic Nominal size: 160 mm Wattage min./max.: 30 / 60 W Power consumption min./max.: 0.17 / 0.27 A Revolutions per minute min./max.: 1680 / 2460 Airflow rate min./max.: 405 / 520 m³/h Sound pressure Lp-3m min./max.: 33 / 44 dB(A) Max. temperature for continuous operation: 60°C IP code: IPX4 Weight: 3.22 kg Ball-bearing motor Mounting options: any position Motor unit can be removed quickly and easily for cleaning and maintenance Application: ventilation systems requiring high pressure and low noise level Ideal for air extraction in damp rooms of residential and commercial properties Model Ø D B H L TT 160 158 mm 233 mm 250 mm 295 mm.