Pure Aqua, Inc. designs and manufactures water treatment systems in addition to commercial BWRO devices. In May 2011, Pure Aqua, Inc. designed and manufactured a commercial BWRO device to a major company in Ecuador to treat well water. The device came equipped with pretreatments consisting of multimedia & activated carbon filters, and a water softener. The TW-0.6K-125 device was designed to produce 600 GPD at a feed water TDS of a maximum 1,200 ppm, it was selected from our RO-200 series and was controlled by a microprocessor control panel. For more information click here: http://www.pureaqua.com/residential-water-softeners-sf-500f-series.html