Dimensions and technical details 220-240 V ~ 50 Hz Diameter: 132cm / 52" Housing colour: antique brown Blade colour: antique cane Motor wattage: 28.2 / 47.9 / 64.5 W Revolutions per minute: 75 / 112 / 133 Max. airflow rate: 128.1 m³/min / 4523 cfm Max. sound pressure level Lp-3m: 29.9 dB(A) Max. sound power level Lw: 50.4 dB(A) Ceiling to blades: 28cm / 11" (20cm / 7.9" without rod) Overall drop: 30cm / 11.8" (23cm / 8.7" without rod) Diameter canopy: 13cm / 5.1" Max. ceiling slope: 28° Manual reversing switch for summer and winter mode on the housing Includes pull switch: 3 fan speeds / off Weight: 8kg / 17.6lbs The uneven texture of the natural blades creates a multitude of small swirls of air which reduces the amount and coverage of the fan's airflow. If you are looking for a fan with a more powerful airflow we recommend opting for models with smooth blades.