Pure Aqua, Inc. designs and manufactures water treatment systems in addition to commercial RO systems. This system was shipped for use in Egypt after completed in June 2009. The shipment included two identical RO systems and with each included chemical injections, a multimedia filter, and an activated carbon filter. Each unit was designed to produce 13,000 GPD from a well water feed with a TDS of about 6,000 ppm. They were selected from our RO-300 Series and came complete with a microprocessor control panel. For more information click here: http://www.pureaqua.com/commercial-brackish-water-ro-300.html