The Manrose 100mm Extractor Fan is designed for wall, ceiling or window mounting, the Automatic extractor fan range is available in ten options, all incorporating thermoactivated internal shutters behind the interior grille which open silently approximately 45 seconds after the fan is switched on. The extract rate of the 100mm series is 85m3/hr, 23 litres per second, whilst the 120mm units for larger bathrooms, toilets and utility rooms are 56% more powerful with an impressive extract rate of 130m3/hr, 36 litres per second. The largest fan in this range, the 150mm (6"), has a maximum performance of 230m3/hr, 64 litres per second. 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 contact separation of at least 3mm in all poles, must be used witha 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.