SW-4 Spanner Wrench; 20" BB
Description
Pentek SW-4 Water Filter Wrench. This wrench fits most standard Big Blue 10"x4.5" and 20"x4.5" housings, including Pentek / Pentair, American Plumber, Ametek, US Filter, Culligan, Crystal Quest and others. Use this SW4 wrench to loosen the bottom part of the housing during filter replacement.
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alt="SW-4 Spanner Wrench; 20" BB"
alt="SW-4 Spanner Wrench; 20" BB
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