The 2-Pack SmartFit Refrigerator Filter SFRW-1 is a set of white water filters designed specifically for Whirlpool 4396508 refrigerators. These filters are designed to remove chlorine taste and odor, ensuring your water is clean and refreshing. This product offers convenience and peace of mind for maintaining your refrigerator’s water purification system. Shipping to the lower 48 states in the USA only.