The Xpelair 4/100mm 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 x2, outer grille and skirt moulding. It 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.