1.filter cartridge for water filteration system 2.PP ,CTO,UDF,UF ,T33,RO,UV 3.can remove most of bacteria 1.filter cartridge for water filteration ... system2.PP ,CTO,UDF,UF ,T33,RO,UV3.can remove most of bacteriawe have PP, Resin, KDF,ceramic ,carbon ... products with CE ROHS certificatewelcome to contact us freely Water filter cartridge for water filtration system