DX100PIRR 4" 100mm extractor fan with integral PIR proximity sensor to activate the fan when movement is detected in the room. All DX100 extractor fans (except the CP clamp packed model) come complete with a universal mounting kit comprising of a wall tube, gasket x2, outer grille and skirt moulding for window mounting in single glazing up to 6mm. Also suitable for wall or ceiling mounting. DX100 models also include an air operated backdraught shutter, outer grille and ducting. Ghost Air Movement Technology designed to deliver near-silent running Twin speed extractor fan delivering selected extraction rate of 54 or 76 meters per hour Wall kit with 300mm of telescopic wall tube and external grille Designed for use in bathrooms and shower rooms, complies with building regulations Part F and L Style: Contemporary Material: ABS Installation Method: Screw-In Sound