Water Sentinel WSF-1 replacement filter suits Westinghouse/Electrolux fridges where the filter is located in a round plastic housing inside the fridge. The filter cartridge sits inside a white plastic cup and you will need to unscrew the cup before you can see the filter. Suitable replacement for Electrolux 1438545 and Westinghouse RS643T, WSF-1 and WSF-2.
PLEASE NOTE: If you are uncertain as to whether this is the correct replacement filter for your fridge, please email us so we can confirm for you. Refrigerator manufacturers typically recommend that fridge filters be replaced every 6 months or when the "change filter" light comes on.