From the producer, the water filter is used in Whirlpool and KitchenAid refrigerator side-by-side filter access to the basic network. 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 water users. Replacement of this refrigerator water filter every 6 months ensures safe drinking water. Side by Side filter water, used for the Whirlpool Side-by-side with access to the database before running