Frigidaire 218710300 PureSource / PureSourcePlus Refrigerator Filter Wrench
What does it fit?
And here's a tip: If you apply a little vegetable oil to the large Frigidaire O-ring, and hand tighten the filter cup, you probably won't need to use the wrench next time.
Note: The wrench should never be used to tighten the filter cup.
Country of Origin