solar air purifier ,Ozone generator 1)car air purifier 2)sterilizing,restraining bacteria 3)white, ... of chemical toxins,eliminating odors,decolorizing and bleaching.2).Negative oxygen-ion freshens the air: Release large amount of pulsing negative ... filtering of HEPA,filter the air at a medical level.5).Nanometer photocatalyst purifies the airBy the advanced Tio2 photocatalyst,all ...