Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler 20 inch x 4.5 inch Big Blue Filters while others permit non-air gap

while others permit non-air gap installations

Replacing Your E5620-P Cartridge

HIF-7 Stainless Steel Cartridge Cluster Filter Housing

KDF-85/GAC Iron & Hydrogen Sulfide Removal Filter

Compatible with all Pentek 10-inch cartridge types used in these housings

Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler 20 inch x 4.5 inch Big Blue Filters while others permit non-air gapWatts Big Bubba Accessories BB COUPLER Big Bubba BBH Polypropylene Coupler Replacement coupler for Watts Big Bubba whole house filter housings OEM Watts part Polypropylene construction Direct fit for BBH series The Watts BB COUPLER is a factory replacement polypropylene coupler designed specifically for Big Bubba BBH series filter housings. This OEM component ensures reliable connection and proper sealing in your whole house filtration system.