Pure Aqua, Inc. designs and manufactures water treatment systems in addition to reverse osmosis water units. In December 2013, an RO water unit was supplied to a major company in Venezuela by Pure Aqua. The system was designed to produce 6,000 GPD of high-quality product from a pre-chlorinated, pre-softened tap water source. The system was designed with a cartridge filter for pretreatment. For more information click here: http://www.pureaqua.com/21-water-treatment-products/47-commercial-reverse-osmosis-systems-ro-200-series.html