Dimensions and technical details 220-240 V ~ 50 Hz Diameter options: cm: 92, 122, 142, 162 inch: 36, 48, 56, 64 Housing colour: light grey Blade colour: light grey Ceiling to blades: 49.5cm / 19.5" Overall drop: 51.5cm / 20.3" Diameter canopy: 14.5cm / 5.7" Diameter motor housing: 22.5cm / 8.9" Max. ceiling slope: 38° Forward and reverse function (summer and winter mode) only if used with remote control Telenordik 5T or wall controller SCRR5 Controller not included Easy to install by means of central hook or eyelet fastening    Nordik I Plus 90 Nordik I Plus 120 Nordik I Plus 140 Nordik I Plus 160 Diameter 92cm / 36" 122cm / 48" 142cm / 56" 162cm / 64" Max motor wattage 61 W 63 W 65 W 70 W Max. revolutions per minute 231 231 231 231 Weight 7.3kg / 16.1lbs 7.6kg / 16.8lbs 8.5kg / 18.7lbs 9.1kg / 20.1lbs Sound pressure Lp-3m dB(A) 25.8 28.2 31.7 34.3 Sound power Lw dB(A) 46.1 49.1 52.6 55.6 Airflow rate m³/h 8550 9900 13500 14000 Performance m³/min/W 2.036 2.357 3.214 3.333