Pentek SW-4 Wrench for 20 Big Blue Housing KitchenAid the filter's efficiency jumps to

the filter's efficiency jumps to over 90%

In areas where a lot of larger airborne particles are present

Center Tubes: ABS or PVC

Actual Size of Filter:15

Bruner & Many Other Brands

Pentek SW-4 Wrench for 20 Big Blue Housing KitchenAid the filter's efficiency jumps toThe Pentek SW 4 Wrench for 20 Big Blue Housing combines quality and functionality with durability for a lifetime of customer satisfaction. It is well made from sturdy material that makes it a reliable product. Wrench Compatible With Culligan, Ametek, US Filter, Plymouth, Kleen Plus, American Plumber, Bruner & Many Other Brands. SW 4 Big Blue 5 7 8" Water Filter Housing Sump Spanner Wrench. (Big Blue Filter Housings Use A 5 3 4" Diameter O Ring) Ametek