* Wall Mount Range – Auto Shutter (Exhaust) Series is designed for direct exhaust to outdoor to maintain the best indoor ventilation and air circulation. * The fans are recommended for domestic and commercial premises, e.g. bathroom, bedroom, living room, kitchen, lavatory, meeting room, office, computer room, restaurant, classroom, hospital ward, etc. * Durable and reliable Capacitor Run Induction Motor with high performance is adopted. * Safety Blade Holding Cap for tightening blade position. Detachable for convenience of blade cleaning. * Detachable Oil Retainer for HAE1-, HAE6-, HAE10-, HAE11-, HAE12-series * Elegant and aesthetically design Front Louver is available for HAE12-series. Detachable for easy cleaning. Safety protection from accidental touching of fan blades by fingers and outside objects. * Optional Pullcord shutter is available for HAE1-, HAE11-, HAE12-series * Full plastic HAE18-series is available.--