Disposable Filter CartridgeFK-T4 Post G.A.C. CarbonContact Us to PurchaseFeatures Quick-change cartridge design. Remove objectionable tastes and odors to enhance the quality of your drinking water. All food grade material. Specifications Model Type Spec. Remark FT-86T4 FK-T4 type Cassette Cartridge 10" Note Do not use where the water is microbiologically unsafe or of unknown quality without adequate disinfection before or after the unit. The system is to be supplied only with cold water. The system and installation shall comply with applicable state and local regulations.