TREATMENT CARTRIDGES POLIFOSFATO CP crystal polyphosphate salt cartridge. RESINA RAN – RAN C – RAN CC resin cartridge. GAC Granular activated carbon cartridge. CAPA Wound polypropylene and granular activated carbon cartridge.. TL-CBC SPUN-CBC LD / LDC LD – Combined structure of synthetic fibers and GAC cartridge. LDC – Combined structure of cellulose and GAC cartridge. CANISTER Empty canister. SPUN CP – SPUN CA – SPUN KDF CA Treatment cartridges.