FW-3 Big Blue Size Housing Wrench
$6.00
SKU FW-3
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.
