1, the home "220V Cooling Fan": a ceiling fan, table fan, stand fan; desk fan in there shaking his head and shook his head no points, and some fan page; floor fans in his head, turn the page. There is also a breeze small fan, is specialized in the nets hanging in the summer at night, opened it suddenly breezy, can secure in sleep, you will not get sick.
2, industrial use "220V Cooling Fan": mainly used for forced air convection only.
Fans with long after, the following blades are easily stained with a lot of dust. This is a fan at work, due to the friction between the blade and the air leaving the "220V Cooling Fan" fan belt electrostatic charged object can attract nature of light and small objects, which can absorb indoor floating dust caused by small .