Water Sentinel WSF-1

www.waterfilters.net/WaterSentinel-WSF-1-Refrigerator-Water-Filter.html
The Water Sentinel WSF-1 Refrigerator Filter is a replacement filter for the Frigidaire and Kenmore WFCB and WF1CB water filters and others. The Water Sentinel WSF1 includes an o-ring and silicone FDA lube. Replace the WaterSentinel WSF-1 approximately every 6 months. Every Water Sentinel fridge filter is backed by an unconditional 90 day guarantee.