REPLACEMENT MODEL: This is a replacement comparable part to MWFP, MWFA, HWF, FXRT, MXRC, HXRT, FXRC, WF287, WSG-1, EFF-6013A, WF287, GERF-100, and SGF-G1 DESIGNED TO FIT: GE and Hotpoint refrigerators that use a round white plastic filter. NSF/ANSI STANDARD 42 CERTIFIED: Reduces chlorine taste and odor ata flow rate of 0.5 gpm to a capacity of 300 gallons.*