1.5 stage RO water purifier with UV 2.PP ,CTO,UDF,UF ,T33,RO,UV 3.can remove most of bacteria 1 ... .5 stage RO water purifier with UV2.PP ... ,CTO,UDF,UF ,T33,RO,UV3.can remove most of bacteria4.description:6-stages filtration ... )gross weight:6.7kgnet weight:5.5 kg 5 stage RO(Reveral Osmosis) water purifier with UV