Designed to produce low dissolved solids water from tap or well water, AMI AA Series Residential to Light Commercial RO systems use high efficiency reverse osmosis membranes. The economically priced Series AA Reverse Osmosis Systems offer a compact design and are simple to install and operate. The RO product water is used in applications such as restaurants, aquariums, small manufacturing, and a wide variety of other applications. When combined with a softener as pretreatment, they offer a reliable water purification solution.