Description WFCB equivalent fridge filter Ecoaqua WF1CB-EFF Substitute filter for Electrolux 1438545, 218904501, RG-100, Westinghouse RS643T, Frigidaire Pure Source Plus WFCB style filters suits fridges with the removable filter bowl inside the cabinet. Fits fridge models with filter bowl RS643 Virtuoso, RS645 & many other models. How to install. Turn water supply off. Release water pressure by dispensing some water. Unscrew the filter bowl inside the fridge cabinet to remove the filter. Remove the old filter and clean the bowl. Use some cooking oil on the o-ring seal on the filter bowl. Install the new filter and screw up the bowl. Do not over tighten. Turn the water back on. Press the water dispenser and flush the new filter for a few litres until all the air and carbon fines are removed. Also replaces part numbers WF1CB, RC200, RG-100, RS643T, RS643T-01, RS643V, RS645T, RS645T-01, RS645V, Kelvinator N640G, N640G-02, Electrolux ESM6470SA, ESM6470WA, ESM6477SA 117mm x 49mm These filters have a endless shelf life if unused, so buy in bulk and save.
