4/6/7inch 110/150/180mm silence Ventilating Strong Exhaust Extractor Fan for Window Wall Bathroom Toilet Kitchen Mounted ,Easy to Install

Frame and blade are made of anti-corrosion ABS plastics, . Optimal blade design makes it high efficiency and long working life. Ultra-thin panel with window screen design, bulit-in insect mesh. Low power motor with thermal protection can work continuously without maintenance.