The Xpelair GX9 (89994AW) Two Speed Commercial Window or Wall Mounted Extractor Fans is ideal for use in Pubs, Resturants, Offices, Kitchens, Factories, Schools and Shops. This fan has been extensively tried and tested for over 40 years and remains the byword for excellence when referring to commercial window fans. This fan benefits from the technology and design of earlier models and continues to have the same excellent reputation for being totally reliable. It introduces a host of upgrades and refinements to make the range safer, faster to install and easier to clean. Can be Window mounted as supplied or wall mounted using an optional wall kit. Suitable for sealed single and double glazed window installations with the longer ladder strips supplied, these fans also feature a safety finger-guard integrated into the housing and window grille. The GX9 fan is reversible and feature enclosed external rotor motors to provide constant volume outputs, even in gusty conditions. A tamp