Pure Aqua, Inc. designs and manufactures water treatment systems in addition to SWRO units. This SWRO unit was shipped to Colorado, USA shortly after completion in October 2010. The system came complete with microprocessor controls and variable frequency drive. This unit is designed to produce approximately 1 GPM from a seawater feed with a TDS of 32,000 ppm. For more information click here: http://www.pureaqua.com/desalination.html