The Aquifer Reverse Osmosis (RO) remineralizer replaces the calcium, magnesium and other healthy minerals that are lost in a reverse osmosis filtration process. The under-sink installation and replacement is easy with our quick-connect fitting. Replaces calcium, magnesium and other healthy minerals lost in the reverse osmosis filtration process Neutralizes the acidity of reverse osmosis water by increasing pH value Includes two replacement cartridges Replacing RO remineralizer every twelve months keeps filtration system performing effectively Overall dimensions: 6-1/4" L x 2-1/16" W x 6-1/4" H Product weight: 1.21 lb Material: Plastic Suitable for residential use KOHLER® Water Filter Systems Five-Year Limited Warranty Recommended Products/Accessories KOHLER K-22155 Aquifer Reverse osmosis (RO) water filtration system Additional Resources Specification Sheet Installation Guide