... 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 ... )gross weight:6.7kgnet weight:5.5 kg 5 stage RO(Reveral Osmosis) water purifier with UV