"Cross Flow Fan" in the application, since the abolition of the middle fan blades rotating at high speed, more secure, even at home to reach the children there do not have to worry about cutting, while the fan blowing more stable uniform. Moreover, the product is also very easy to clean with a cloth to wipe clean smooth outer surface can be, without holding a brush crawling fence lattice, it is a waste of effort to clean up accumulated in the dust, you do not need to disassemble the outside the cover and then wipe the inside of the blades.