Pure Aqua, Inc. designs and manufactures water treatment systems in addition to industrial seawater reverse osmosis systems. In August 2010, Pure Aqua successfully manufactured and supplied an industrial seawater reverse osmosis system to a major company in Saudi Arabia. The system came complete with pre and post chemical treatments consisting of antifoulant, pH adjustment, chlorination, declorination, and postchlorination. The system was designed to produce 46,000 GPD from a seawater feed and is controlled by PLC. For more information click here: http://www.pureaqua.com/industrial-seawater-reverse-osmosis-swi-series.html