Overview This Refrigerator Water Filter Is Used In Side-By-Side And Top Mount Refrigerators With Filter Access Inside The Refrigerator. Simply Turn The Filter 1/4 Turn To Remove And Replace. This Nsf Certified Filter Reduces Chlorine Taste And Odor. Particulates (Class I). Lead. And Mercury. Replace Every 6 Months Ensures Clean. Safe Drinking Water. Replaces 8171787. 2204326. 2206039. & 2213384.