1.Photocatalytic ozone coupling filtering air purifier\air cleaner 2.UV light disinfection. 3. ... air purifier\ air cleaner (patent technology); 2. Photocatalytic ozone coupling filtering technology;3. Remove formaldehyde, benzene, ammonia, TVOC, odor, smoke ... dust effectively ;4. Air quality automatic detection system, indoor air is under your control;5. High efficient sterilization ...