EveryDrop Filter 3 reduces 66 contaminants, including pharmaceuticals, waterborne parasites, lead and mercury, pesticides, asbestos and industrial chemicals (NSF certified). Certified to fit these leading refrigerator brands: Whirlpool, Maytag, KitchenAid, Jenn-Air and Amana. Used in side-by-side refrigerators. Filter compartment is in the bottom left corner of the refrigerator. Replace filter every 6 months or 200 gallons to maximize contaminant reduction.