Pentek Cartridge Coupler for Big Blue Cartridges
Pentek Big Blue Water Filter Cartridge Reusable Coupler # 144229 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Big Blue Cartridge Coupler. Joins Two Big Blue Water Filter Cartridges to Extend The Length. Ametek # 144229