Disposable Filter CartridgeFK-S RemineralizingContact Us to PurchaseFeatures Quick connect design, easy to maintain. Remineralize drinking water and raises its pH level. All food grade material. Specification Model Type Spec. Remark FT-0087CS FK-S type Cassette Cartridge 10", 3/8 OD 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.