Free Shipping • Orders over $45+
Skip to content

FW-3 Big Blue Size Housing Wrench


Free Shipping on all orders over $45

The FW-3 Wrench can be use to loosen Big Blue or Big Blue style filter housings when changing filters. The spanner wrench has four teeth. This FW-3 wrench fits many Hydronix, Pentek, Culligan, Ametek, American Plumber, and USFilter Plymouth whole house Big Blue water filter housings.

Customer Reviews

Based on 2 reviews Write a review

5% OFF

Your Order

Enter your email below and we'll send you a 5% discount code to use on your filter order today!

No thanks, I don't want a 5% discount.