Customer Questions and Answers for Refrigerator Water Filter by Whirlpool

Li T, This push button refrigerator water filter features a PUR® Water Filtration System and can be used in side-by-side refrigerators with filter access in the base grille. Simply press the release button to remove and replace the filter. While retaining beneficial fluoride, this filter is NSF® Certified to remove/reduce chlorine taste & odor, particulates, lead, mercury, cysts and 13 additional contaminants. The contaminants or other substances removed or reduced by this water filter are not necessarily in all users' water. For freshest water and optimal performance, replace water filter every 6 months.