Stylish modern and powerful flush mounted centrifugal extractor fan suitable for Bathroom application. The air is extracted laterally through an opening concealed beneath the outer cover and drawn from all around the product. Possible dust deposits are invisible from the outside whereas the outer cover remains perfectly clean. Mains voltage 230/240V AC 50Hz. Power consumption 25 - 33 watts Extraction rate 21 - 31 litres per second, 75 - 110 cubic metres per hour Sound output 26.3 - 33.5 dB(A) @ 3m (frontal). CE approved Dimensions: 258mm wide x 258mm tall x 34mm deep (beyond installed surface), 118mm deep (behind installed surface). 97mm diameter spigot extends for 26mm. This model is for operation in conjunction with the room light switch. When the light is switched on the fan comes on, when the light is switched off the fan continues to run for a pre-set time (adjustable). This fan requires permanent live, switched live and neutral (3 wires excluding earth) at the fan position in order to operate correctly. The timer function cannot be used unless you have these three wires available to connect. Please check before ordering!