Ltpgtdx100ps 100mm 4 inch extract fan with integral pullcord to turn the fan on and offltbr gtltbr gta comprehensive range of stylish compact and easy to install 100mm 4quot single speed extractor fans suitable for a wide range of applications including bathrooms shower rooms and toilets including zones 1 and 2ltbr gtltbr gtall dx100 extractor fans except the cp clamp packed model come complete with a universal mounting kit comprising of a wall tube gasket x2