... elininate smoke;With anion generator,releasing anion to air,making air freshAdding essential oil to water, sending out fragrance ... dust ,pollen,micro particles in the airDecomposition: rapid decomposition air formaldehyde, benzene, ammonia, radon and the harmful gas ... study, bedroom, children room, toilet, etc.2.Office: air-conditioned environment, the bathroom, tea and smoking room.3.Entertainment: ...