Replacement Water FilterGranular Activated CarbonContact Us to PurchaseFeatures Use NSF certificated GAC carbon. Remove chemicals and odors, such as chlorine and chemical fertilizer. All food grade material. Specification Model Type Spec. Remark FT-0091S GAC Carbon, For CMJ Housing Use 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.