The xpelair simply silent dx100bps is a two speed extractor fan which has a conventional grille style fascia finished in cool white it is suitable for a wide range of applications including bathrooms shower rooms and toilets including zone 1 and 2 installations the fan meets buildings regulations part f and has a pull cord control meaning that the user can easily turn the fan on and off by pulling the cord the simply silent dx100bps uses unique innovative ghost air movement technology to delive