Whirlpool W10413645A PUR Ice and Water FILTER2 Refrigerator Water Filter (1-Pack) Filter 2 used in refrigerators with freezer on the bottom Filter located inside the refrigerator and installed / removed with a quarter turn Removes chlorine taste and odor in addition to contaminants including cysts and particulates Certified for use with these brands: Whirlpool, KitchenAid, Maytag, Amana and JennAir Replace refrigerator water filter every 6 months for optimal performance