1.5 stage RO water purifier with UV 2.PP ,CTO,UDF,UF ,T33,RO,UV 3.can remove most of bacteria 1 ... .filter cartridge:pp sediment filter,granular activated carbon filter,carbon block filter,UF ultra filter cartridge,T33 post inline GAC filterconnector ... .5 kg 5 stage RO(Reveral Osmosis) water purifier with UV