The Advanced Water Filtration System is Moen’s best water filtration system. Moen’s Advanced Water Filtration packs a similar performance of multi-stage carbon filtration into a single- stage design if you're looking to improve at-home water quality. The system removes over 70 known water contaminants while also improving the taste, color, and clarity of your drinking water—all while reducing the frequency and quantity of replacement filters to keep your system running at its best.