From the manufacturer of this refrigerator water filter is used in Whirlpool and KitchenAid side by side with filter access in the network base. Simply turn the refrigerator water filter 1 / 4 turn to remove and replace. While retaining beneficial fluoride, this NSF Certified Refrigerator Water Filter reduces chlorine taste and odor, particulates (class II), lead and mercury. The contaminants or other substances removed or reduced by this water filter are not necessarily in all users water. Replacing this Refrigerator Water Filter every 6 months ensures clean water. Side By Side Water Filter, used in Whirlpool Side by Side refrigerators with turn access through the base in