WFCB Features: -Refrigerator filter.-Compatible with the following refrigerator models: RF100, RG100, RF-100, RG-100, FRRF-100, NGRG-100 RC-200, RC101, RF200, NGRG2000, NGRG-100, NGRG-2000, SWF1CB, WFB, SWFCB, WF284, WSF-1, WSF-4, WFCB, WF1CB, RF-200, RC200, RC-101, RC-900, 218994101, 218717805, 240389101, 240389102, 240394501, 218710901, 218710902, 218732306, 218904602, 218907800, 46-9906, 609906000, 469906, 5303917752, 5303917937, 5303918017, 9906, 9906P, P_N_SWFCB, P_N_WFCB2PAK, 9910, 469910, 46-9910, 9910P, 04609910000.-The frigidaire/electrolux puresourceplus WFCB replacement filter fits frigidaire and Kenmore refrigerators where the filter is inside of a round plastic housing.-The WF1CB filter cartridge sits inside the white plastic cup and you'll need to unscrew the cup before you can see the filter.-Replaces Frigidaire RC200, RF200 Refrigerator Filters.-Refrigerators that use the Frigidaire WFCB PureSourcePlus Replacement Water Filter:Removes 99pct of Cysts, Lead, and Turbidity. This Frigidaire filter does not remove Fluoride. Specifications: -The Frigidaire PureSourcePlus WFCB/RC200 refrigerator water filter is a newer, improved version of the older puresource WF1CB filter. The WFCB removes more contaminants than the WF1CB, including lead, cysts, and turbidity. Dimensions: -Overall dimensions: 5'' H x 2'' W x 2'' D.