celling exhaust fan

model standardpower frequency watts 8inch 200mm 220v 50Hz25w 10inch250mm220v 50Hz30w 12inch300mm220v50Hz40w Pipe-type fan(ultra-thin super-static type) 1.Spring-loaded device panel design,compact structure space,and fold easily installed and can be cleaned easily. 2.The use of advanced centrifugal wind round the high-speed motor and high-quality,combined with the perfect type of vortex flow. 3.Electrical fuse using the built-in protection device ,safe and reliable. Certificate:CE CCC ROHS