Filter By: --Brand-- Aqualine Aries Filter Works Filbur FilterCor Filtrex GE Osmonics Harmsco Intelifil KX Technologies Omnipure Pentek Pure PureT Unicel Valuetrex Watts --Primary Media-- Activated Alumina Calcite Carbon Block Catalytic Carbon KDF/GAC Loose Carbon (GAC) Mixed Bed DI PolyPhosphate Sediment Filter Softening Resin --Primary Function-- Chlorine Removal Cyst Filtration Fluoride Removal Heavy Metal Reduction Iron & Hydrogen Sulfide Lead Reduction Nitrate Removal pH Neutralizing Scale/Corrosion Inhibitor Sediment Filter Softening Hard Water TDS Reduction VOC Reduction

20" x 2.5" replacement water filter cartridges are typically used for whole house water purification systems and commercial reverse osmosis systems.