4" Square Extractor Fan with Timer || Extractor Fans || The Xpelair DX100 4 inch/100mm single speed axial extract fans are ideal for use in bathrooms, shower rooms and toilets. They come supplied with a universal fitting kit that includes a telescopic wall tube, gasket x 2, outer grille and skirt moulding. DX100 fans feature an exceptionally shallow outlet spigot, making them ideal for compact window and wall installations. A backdraught shutter prevents external noise and draught entering the building when the fan is not in use. Technical Specification: Number of Speeds: 2 IPX Rating: IPX4 Noise Level dBA@3m: 34 Power Consumption: 6.7W Power Voltage Supply: 220-240V Colour: White Timer: Yes Extraction Rate: 76 m³/hr