Pure Aqua, Inc. designs and manufactures water treatment systems in addition to commercial reverse osmosis devices. In December 2012, Pure Aqua, Inc. successfully manufactured a commercial reverse osmosis device for a major company in Arizona, USA. The commercial reverse osmosis device was designed to each produce 1,200 GPD from a municipal tap water feed of 700 ppm TDS. In addition to the RO unit, this order included activated carbon filter and water softener. For more information click here: http://www.pureaqua.com/commercial-reverse-osmosis-systems-ro-200-series.html