Healthy function of "220V Cooling Fan" in the market, also in the spotlight. As consumers become increasingly concerned about health, the manufacturers began to improve air quality around the start of the article, so they added a negative ions, oxygen bar, ultraviolet disinfection and other functions. "220V Cooling Fan" with negative ion function via the built-in negative ion emitter, into the air diverge negatively charged ions, which are positively charged and the air of smoke, dust, acts as a barrier bacteria, dust, odor, air purification function; and UV germicidal "220V Cooling Fan" is specifically used to kill bacteria in the air, thereby improving air quality.