The aftermarket WaterSentinel WSW-1 is used in side-by-side refrigerators by Whirlpool, Kitchenaid, Amana, Thermador and others. It is designed to replace the OEM part # 4396508. The WSW-1 filter creates better tasting water for drinking and making beverages as well as clean, clearer, healthy ice. Features: High quality - inexpensive alte...