The Simply Silentâ„¢ DX100 intermittent extract fan range is designed for those looking for something conventional, with a modern twist. Just like the entire Simply Silentâ„¢ family, these fans control humidity, odours and mould growth effectively in bathrooms, shower rooms, cloakrooms and toilets. The Simply Silent DX100 range features a grille-style fascia finished in cool white and available in round or square*. The range has two speeds, selectable at install. DX100 comes complete with wall fitting kit.