Xpelair GX9 EC3 RF commercial window fans are ideal for use in pubs, restaurants, offices, kitchens, factories, schools and shops. They feature EC motors for long-lasting, energy efficient performance and reduced running costs. Radio frequency (RF) control is available to allow multiple fans to be operated using kinetic energy via a wireless and battery-less switch. GX9 EC3 fans can be window mounted as supplied or wall mounted using an optional wall kit. Suitable for 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.