Use for twisting off big clear water filter housing sumps.
Do NOT use the BW/BC spanner wrench to tighten the big clear housing sump. Overtightening the sump can cause damage to the o-rings and make re-opening the housing sump difficult. You should only hand tighten the housing sump.
Makes replacing water filters easy
The BW/BC spanner wrench can be used with Big Clear whole house housings
This wrench is also knows as the American Plumber WWBC wrench for American Plumber Big Clear Housings.