Whirlpool 4172141 16 Oz. Box of Hard Water Glass Magic - 4172141, GLASS MAGIC (PERFORMANCE BOOSTER) DISHWASHER FILM AND SPOT REMOVERALSO WORKS TO SOFTEN WATERPREVENTS MINERAL BUILD-UP AND REMOVES CLOUDY FILMS FROM GLASSWARE16 OZ (1 POUND) Works with the following models: Whirlpool 3CDA1100W5, Whirlpool 4KPDI620T0, Whirlpool 4KPDI620T1 Whirlpool 4KPDI620T2, Whirlpool 4KPDI620T3, Whirlpool 4KUDA220T0, Whirlpool 4KUDA220T1