Stay ahead of your shower filtration needs with the Replace & Refresh Bundle—a convenient set of 3 Twin Pack Replacement Cartridges, providing a total of 6 replacements for effortless maintenance and consistently refreshing water all year long. Ideal for families and households who value reliable performance, this bundle ensures your Weddell Duo is always at its best. Each twin pack offers high-performance filtration to maintain optimal water quality and flow, keeping your shower experience healthy and clean. With the Replace & Refresh Bundle, enjoy clean, clear water and seamless filter replacements for a revitalizing start every time!