This Manrose CF100T Centrifugal Extractor Fan is typically installed in bathrooms and toilets. It operates in conjunction with the room light switch; the fan activates when the light is turned on and continues to run for a pre-set time after the light is switched off. Installation requires permanent live, switched live, and neutral connections (3 wires, excluding earth). Features include a timer overrun, wall/ceiling mounting, a back draught shutter, and a cable length of 230 mm.