Designed for wall or ceiling mounting, complying with building regulations on ventilation (F1), through Ø102mm (4'') flexible ducting/rigid pipes or Manrose low profile flat channel ducting systems. Easy to install and maintain, comprehensive wiring and installation instructions are included with each fan. These fans are double insulated and do not require an earth. All wiring must comply with current IEE regulations. A double pole isolating switch, having a contact separation of at least 3mm in all poles, must be used with a 3 amp fuse fitted. The fan must not be accessible to a person using either the shower or bath and mounted a minimum of 1.8 metres from the floor.