Skip to Store Area:

Whole House Water Filters and Whole House Filter and All Replacement Whole House Water Filters

My Account | My Wishlist | My Cart | Checkout | Log In

American Plumber, Culligan, Pentek SW-4 Wrench for Big Blue Filter Housings

Double click on above image to view full picture

Zoom Out
Zoom In

American Plumber, Culligan, Pentek SW-4 Wrench for Big Blue Filter Housings

Email to a Friend

Be the first to review this product

Availability: In stock.

$5.99
Add Items to Cart Add to Cart

Quick Overview

Use with #20 Big Blue Housings (approximately 6" Wide)


  • Culligan / Pentek SW-4 Housing Wrench Information:

  • Use the SW-4 filter housing wrench only for twisting off water filter housing sumps.

  • Use the SW-4 wrench to loosen the bottom of the housing during cartridge replacement. Slide circular end over housing until a snug fit is achieved and unscrew.

  • Do NOT use the SW-4 housing wrench to secure the water filter canister to the water filter lid. You may damage the o-ring by securing the water filter lid too tight.

  • The SW-4 wrench makes changing water filters easy.

  • The SW-4 spanner wrench can be used with #20 Big Blue heavy duty whole house water filter housings.

  • The SW-4 wrench is approximately 6 Inches Wide. (Note: Width is slightly less at the notches.)

Add Your Tags:
Add Tags
Use spaces to separate tags. Use single quotes (') for phrases.