EveryDrop by Whirlpool Refrigerator Water Filter 5 (Pack of 3) Polypropolene Imported EveryDrop Filter 5 is the only filter Certified by Whirlpool Corporation to work with your Whirlpool, Maytag, KitchenAid, JennAir, and Amana refrigerator. NSF Certified to Reduce 16 contaminants, including pharmaceuticals, waterborne parasites, lead, mercury, pesticides, asbestos and industrial chemicals Certified to fit these leading refrigerator brands: Whirlpool, MAYTAG, KitchenAid, JENN-AIR and Amana. The only Genuine Replacement for the discontinued 4396508 Used in bottom freezer and side-by-side refrigerators which accept Filter 5 Replace filter every 6 months or 240 gallons to maximize contaminant reduction