The SMART Filter Cartridges incorporate the latest advancements in water filtration technology to deliver clean, healthy, and great-tasting water. Each cartridge features multiple stages of filtration, including micron filter pads, Granulated Activated Carbon (GAC), Catalytic Carbon GAC, ion exchange resin, Eagle Redox Alloy® 6500, Eagle Redox Alloy® 9500, as well as ceramic and tourmaline balls. This multi-stage design enables a single cartridge to effectively target and reduce a wide range of contaminants.