The American Plumber SW-2 works with the following water filter housing model numbers:
The American Plumber WW34/SW-2 Filter Wrench makes changing your water filter easy. The WW34 filter wrench is made for 3/4 inch inlet/outlet housings. This is the correct wrench to replace the obsolete WW34C. It is also known as the American Plumber or Pentek SW2 Filter Wrench.
The American Plumber SW-2 specifications: