Pure Aqua, Inc. designs and manufactures water treatment systems in addition to reverse osmosis systems. Reverse osmosis specializes in TDS reduction and removal of impurities from water using pressure and semi permeable membranes. This RO machine was completed in May 2013 and used to treat municipal tap water in New Jersey, USA. The water being treated with this machine will undergo a process of activated carbon filtering, water softening, reverse osmosis and finally UV sterilization. For more information click here: http://www.pureaqua.com/reverse-osmosis-systems.html