A-Cover air cleaner and efficient by 3M HEPA filter, effectively filter dust particles, eliminate the odor in the air, the degradation of benzene, ammonia, formaldehyde and other harmful substances, to kill airborne bacteria. No longer plagued by pollen catkins allergy problems; A-Cover air cleaner and more 19-inch LCD screen and 9cm large wall thickness design, there are play pictures, video functions, while at home, enjoy the clean air experience A -Cover air purifier brings the art of living. Fog and haze, PM2.5 in different forms to warn people of the seriousness of air pollution. Indoor air pollution threat to the human body will be more serious, and people one day 80 percent of the time is spent indoors, so indoor air will directly affect people's health, clean air is imperative.