High efficient HEPA filter can absorb all the particles larger than 0.3mm from the air New technology of bacteria killing treatment applied to the filter can take away the harmful germs from the air Activated carbon can absorb unpleasant odors and extend lifetime of the HEAP filter to maximum two years Ionizer and slow scent releaser offers you fresh and clean air Around air-inlet design ensures the best circulation of the room Ultra-violet (UV) Light generates OH free radicals for strengthening the effectiveness of oxidation which kills viruses, influenza, acute virus, and SARS UV light purifier helps relieve allergy and asthma symptoms and liver infection by removing allergens and micro particles from the air Can reduce fine dust, floating fluffy, animal hairs, mold spores, odors, and smoke UV light purifier filters out 99.97% of particles down to 0.1 to 0.3 microns Optional: UV lamp to sterilize air-borne antigens and pathogens. HEPA filter Ionizer Power consumption: 50W