Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler Blue And White (F-40376LN-8) 0.2 - 2 GPM; 1/2" FPT Remove old cartridge and clean

Remove old cartridge and clean the housing sump with a mild bleach solution

Chemical exposure and wear can degrade the silicone over time

upgrade to PVDF or 316 stainless steel bushings for chemical resistance

💧 Pro Tip: Always pre-filter your feed water with sediment and carbon stages before DI resin cartridges

Genuine Watts Quality

Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler Blue And White (F-40376LN-8) 0.2 - 2 GPM; 1/2" FPT Remove old cartridge and cleanWatts 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.