New Lot of 3 Refrigerator Water Filter Denali Pure WF-4396508-S is a white plastic filter designed specifically for Whirlpool refrigerators. With a 5-stage carbon block filtration method, this filter is capable of removing contaminants such as chlorine, lead, odor, and cysts. It has a capacity of 300 gallons and is suitable for both commercial and household use. The filter is compatible with Upstart Components models and comes with a manufacturer’s warranty. This high-quality refrigerator filter ensures clean and safe drinking water for you and your family. One filter has had the plastic removed from filter but never used, we purchased the wrong size for Our refrigerator.