... dust ,pollen,micro particles in the airDecomposition: rapid decomposition air formaldehyde, benzene, ammonia, radon and the harmful gas ... room, study, bedroom, children room, toilet, etc.Office: air-conditioned environment, the bathroom, tea and smoking room.Entertainment: ... 48.5*39cmQty4PCSCertificatesCE,UL,ROHSMist volume~140ml(H)/h,~70ml(M)/h,25ml(L)/h Loading20 ft container:892pcs40 ft container: ...