Samsung HAF-CU1 Refrigerator Water Filter. Only Samsung Genuine Filters are designed to work with your Samsung refrigerator. Samsung water filters are guaranteed to reduce contaminants giving your family safe fresh-tasting water. Enjoy fresh-tasting drinking water for your Samsung French Door and Side-by-Side refrigerators. Samsung’s ultra-high-grade carbon block reduces 33 potentially harmful contaminants including lead mercury chlorine DEET pharmaceuticals herbicides and pesticides. With a 6-month life and a slim design this Samsung refrigerator water filter offers long-lasting use and easy installation.