... Japanese customers. SFT active carbon filter cartridge is made of active carbon particles,which are sintered together with cohesive solvent. It ... smell, color, organic objects, etc . characteristics: SFT active carbon filter cartridge has a real deep-level filtering struture to ... : 5'', 10'', 20'', 30'', 40'' Application: The active carbon filter cartridge can be used for the purification of process ...