Buy the new Refrigerator Water Filter http://www.appliancepartspros.com/refrigerator-filter.html Follow these simple step-by-step instructions to replace the Refrigerator Water Filter on Whirlpool, Sears, Kenmore, Roper, KitchenAid, Estate, Maytag, Jenn-Air, Amana, Magic Chef, Admiral, and Norge refrigerators. Symptoms: Existing filter no longer works and/or it's past the month marked to change the filter on sticker inside the refrigerator; Refrigerator "change filter" indicator light is on.