The Frigidaire PureSource Ultra II Refrigerator Water & Ice Filter is an OEM part for Frigidaire refrigerators provides clean, fresh-tasting water and ice. This advanced filtration system is specifically engineered to remove impurities and contaminants from your water supply, including lead, chlorine, mercury, and certain pesticides, without removing beneficial fluoride.  Regular replacement of the water and ice filter is crucial for maintaining the quality of your drinking water and the efficiency of your refrigerator's water and ice dispensing system. Over time, filters can become saturated with contaminants, reducing their effectiveness and potentially impacting the taste and safety of your water. Symptoms of a filter in need of replacement include: Reduced water flow from the dispenser Unpleasant taste or odor in the water and ice The refrigerator's water filter indicator light turning on This OEM Frigidaire part can also be used on Electrolux, Frigidaire, Gibson, Kelvinator, Westinghouse, and Sears/Kenmore.EPTWFU01 (AP5962272) replaces 5304520985, 3516084, 5304519147, 807946701, PS11704498.