Whirlpool WRS321SDHZ11 Replacement Water FilterWater quality should feel stable, not something that changes over time. The Whirlpool refrigerator model WRS321SDHZ11 water filter replacement, built around EveryDrop Filter 1 (EDR1RXD1), helps keep that consistency in check. It works to reduce chlorine taste, sediment, chemicals, and odor causing elements that can slowly affect how your water and ice appear and taste with regular use. As a replacement water filter for Whirlpool WRS321SDHZ11, it fits