Overview This 2-Pack Refrigerator Water Filter Is Used In Whirlpool, Kitchenaid, And Maytag Side-By-Side Refrigerators With Filter Access In The Base Grille. Simply Turn The Filter 1/4 Turn To Remove And Replace. This Nsf Certified Filter Reduces Chlorine Taste And Odor, Particulates (Class Ii), Lead, And Mercury. Replace Every 6 Months To Ensure Clean, Safe Drinking Water.