Designed for wall, ceiling or window mounting, the Automatic extractor fan is available in ten options, all incorporating thermo-activated internal shutters behind the interior grille which open silently approximately 45 seconds after the fan is switched on. available in three sizes – 100mm (4″), 120mm (5″) and 150mm (6″).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 the 150mm (6″), has a maximum performance of 230m³/hr, 64 litres per second. Power is provided by a single phase induction motor with pre-oiled bearings for a maintenance-free life.The units are all manufactured using high gloss ABS thermoplastics for strength and durability, aesthetics and easy cleaning.