Manrose 230mm/9" Commerical Wall/Window Extractor Fan With Fixed Grill - WF230S

The WF230 series has been designed for window installation through a standard 260mm Ø hole.. Suitable for a variety of domestic and commercial applications, the WF230 range has been designed for window or wall mounting. Incorporating the latest ventilation technology and stylish design, these high performance extractor fans have an extract rate of 668m³/hr, 185 litres per second.. There are three models in the range starting with the basic unit (WF230) which has fixed louvres, can be supplied with an optional pullcord switch and provides a natural source of trickle flow ventilation when the fan is switched off.. Manual models (WF230M) have pullcord operated internal backdraught shutters that also start the fan.. The WF230 automatic series have thermo activated shutters which open silently 45 seconds after the fan has been switched on.. Completing the Manrose family the WF300 range of 300mm (12″) fans give a powerful extract rate of 1100m³/hr, 306 litres per second.