2011 HOT! KDF filter cartridge HOKO 6-10 stage water purifier ... filter cartridges: 1)PP fiber cotton to remove sand,rust,suspended matters,and other particles. 2) KDF+CTO cartridge ... healthier. 7)The UF(ultrafiltration) hollow fiber cartridge deeply filtrate virus,pathogen,organics,and other ultramicron ... will also improve the water taste. 9)Magnet cartridge: it helps to magnetize water and make ...