The Superb Wrench Metal SW-1 fits the following housings:
The Metal Water Filter Wrench - Replaces SW-1 fits 4 inch Slim Line housings and replaces the SW-1 wrench, as well as the Pentek 150539 and Slim Line, Culligan, US Filter, Plymouth, Kleen Plus, American Plumber, Bruner, and Ametek 150294. This water filter wrench is constructed with a longer handle for better grip and leverage. The SW-1 filter wrench won't bend, bow or break due to its formidable zinc-plated, galvanized steel construction. This filter housing wrench is labeled with a directional arrow to make sure you turn it in the proper direction.
Metal Water Filter Wrench - Replaces SW-1 specifications: