Easy to clean. "220V Cooling Fan" using the blade structure, in the words of the usual green cleaning very inconvenient because it requires the use of a time before most of disassembly, cleaning, re-installation, inspection and so on. No fan fan, free disassembly cleaning, usually using a clean cloth to wipe a few seconds to complete, convenient, and more time-saving, easy, and effective. Traditional fan speed setting key file size and strength of the wind, the lack of wind choose the ideal size. "220V Cooling Fan" pay attention to the size and strength of the wind set the changes in technology innovation, the use of non-polar dimmer, rotary knobs regulation size and strength of the wind, more idealistic, humane. Because traditional fan blade cutting air to promote air flow, which will produce air streams blown drama of the human body has a sense of the impact of the wind, not smooth, people feel very comfortable. "220V Cooling Fan" Continuous air flow feels cool wind, no trace of impact, more stable and more comfortable