The WFCB Can be Used Used For All Frigidaire - Kenmore/Sears(253.series) Refrigerators that have the Interior-Rear-Vertical-Cup Mount. Other part numbers wfcb, 5303917752, RC-200, 46-9906, 218904501. The WFCB 'Filter Has White Ends'.The WFCB can InterChange with the WF1CB Filter. It reduces lead, rust, chlorine, cysts, dirt, sediment, turbidity and bad tastes. Rated at 2-4 Months or 200 gallons.
