Wall mounted ventilator fan also named window exhaust fan, is a kind of ventilating device that is installed onto wall or window, could be used for ventilating, exhausting, desiccating and deducting. it is with a characteristics of extra quite, easily installed, large air delivery, large using range, e.t.c. As a kind of new top class product for modern life, blind ventilation is applicable in kitchen and bathrooms of residential buildings, commercial building (shops), hotels, restaurants, motels, entertainment places and so on. it could also be used as a matching device of an air conditioner. it is durable and reliable. Great deal, Great Price! TMT Size: 6'' 4/5 plastic blades, plastic cover and plastic Bathroom, toilet and kitchen are the places with high concentration of contaminants. When these places are being used, ventilating fans should be operated to extract the pollutants (humid air, mold, mildew, dust, odors and chemicals) directly to the outside before they spread throughout the room. KitchenQuickly extract cooking smell and oil fume from the room.Bathroom/ToiletQuickly remove moisture from bathroom and odor from toilet.BedroomExtract moist air when you sleep to wake up feeling refreshed.Dining Room/Living RoomRemove cigarette smoke and moisture for a more comfortable environment. With protective back cover that closes automatically in switch of mode, you don’t worry about rats, lizards, etc. passing through the fan. • Easy Installation• Thermal Safety Fuse• Excellent Exhaust performance• Powerful, Efficient and Durable Condenser Moto