Disposable Filter CartridgeGrancalContact Us to PurchaseFeatures Easy solution to neutralize acid water. Natural healthy source of calcium and magnesium. Combined contents provide a balanced pH adjustment. Prevents acid water corrosion. Chemical Free. Specification Model Type Spec. Remark FT-0033-2 FP-B type, In-line Cassette Cartridge 10",1/4NPT x 1/4NPT 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.