The Samsung HAF-CU1/XAA Refrigerator Water Filter is designed to improve water quality by reducing common impurities before dispensing. It operates by channeling incoming water through a multi-stage filtration medium that targets sediment, chlorine taste, and selected contaminants, resulting in cleaner water for drinking and ice production. Installed inside the refrigerator’s filter h... https://www.hnkparts.com/samsung-haf-cu1-xaa-refrigerator-water-filter-catalyst