... air purifier have CE,ROHS,UL,The CFM is 99.8% 1)Hight:12" 2)Powered by AC/AC adaptor ... air purifier have CE,ROHS,UL,The CFM is 99.8% Hight:12"Powered by AC/AC adaptor provided,2 ... -speed silent operationCFM:99.8%package:one pc in color box,24pcs in ctn. ... of negative ions,emitted to destroy airborne bacteria,pollen and smokes ionizer /air purifier/ indoor air purifier have CE,ROHS ...