... fast 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 ... humidity.Adding essence to the water,diffusing scent to air,making air aromaticAppliance scope:1.Every family: sitting room, study, ...