3MFF101 is a replacement cartridge, specifically designed for the 3MFF101 water filtration system. Featuring a quick-change design, the 3MFF101 is easy to use. You can effortlessly install it and replace it without needing any professional help. This 3MFF101 filter cartridge is the ideal choice for heavy-duty water systems, those with a capacity of 6,000 gallons. Too much chlorine in water is a common water consumption problem. The 3MFF101 solves this issue by removing the unpleasant odor and taste of chlorine from drinking water. Easy to install, 3MFF101 is compatible with all types of domestic, commercial, and industrial water systems.