The Whirlpool EveryDrop Refrigerator Water Filter 6 is an OEM part for Whirlpool refrigerators. This water filter is designed to reduce contaminants in the water supply, such as chlorine, lead, and other harmful substances, ensuring clean and safe drinking water and ice. It provides up to six months of filtration before needing replacement. Causes of a bad water filter can include the end of its lifespan, clogging from excessive contaminants, or damage from improper installation. Over time, filters lose their effectiveness as they reach their capacity to absorb impurities. Symptoms of a bad water filter include: Reduced water flow from the dispenser Unpleasant taste or odor in water and ice Cloudy or discolored water The filter indicator light on the refrigerator signaling a replacement This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.EDR6D1 (AP5983566) replaces 4396701, 4396701P, 2301705, 4273166, 4396702, FILTER6, PS11722135, W10281560, W10312235.