KIFY150 air purifier is high tech all-in-one electrical appliance, 6 techniques including photocatalyst , UV light, high efficient filter screen, activated carbon, whisky floating cartridge filter and negative ion generator are integrated in one set, make it has supper power to decompose poisonous gas such as formaldehyde, benzene, toluene,xylene, ammonia, TVOC etc.. killing all kinds of virus, leaf mold, bacteria, eliminating smoky, distasteful smack, adsorbing dust, improving air quality quickly, make a health environment without pollution and bacteria. Apply to: Home, hospital, clinic, office, public and entertainment area, hotel, school, smoking area etc.. Operating principle: 1. Photocatalyst: under lighting up by UV, photocatalyst can oxidizing and decomposing the above poisonous gas ,pollutant , and bacteria to CO2 and HO2. lab test certified that photocatalyst has highly killing ability for pseudomonas aeruginoson, bacillus coli, staphylococcus