Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler Blue And White (F-40376LN-8) 0.2 - 2 GPM; 1/2" FPT upgrade to PVDF or 316

upgrade to PVDF or 316 stainless steel bushings for chemical resistance

5-liter volume provides optimal contact time and flow distribution for residential applications up to 3 bathrooms

Chemical exposure and wear can degrade the silicone over time

The WSP-2 replacement filter is engineered specifically for WaterQuik pet fountain systems

smart drain alerts

Watts (BB-COUPLER) Big Bubba BBH Polypropylene Coupler Blue And White (F-40376LN-8) 0.2 - 2 GPM; 1/2" FPT upgrade to PVDF or 316Watts 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.