REPLACEMENT MODEL: This is a replacement comparable part to WF2CB, PureSource2, EWF01, EFF-6018A, 241988703, 46-9911, 46-9916, FC100, NGFC2000, EWF2CBPA, EFF-6029A, MB-100, and WP2CBMB DESIGNED TO FIT: The rectangle face plate is for use in place of the EWF01 Electrolux Pure Advantage filter, the curved face plate is for use in place of the WF2CB Frigidaire PureSource2 filter. Please note there are two detached plates included in the packaging. Make sure to use the correct one as a replacement for your filter/refrigerator. NSF/ANSI STANDARD 42 CERTIFIED: Reduces chlorine taste and odor ata flow rate of 0.5 gpm to a capacity of 300 gallons.*