Pure Aqua, Inc. designs and manufactures water treatment systems in addition to water filtration plants. In March 2013, this water filtration plant was manufactured in the USA and delivered to Ghana to treat well water for use at a hotel. There are five steps to this water filtration plant. The steps are completed as follows with multimedia filtration, activated carbon filter, twin alternating water softeners, a UV disinfecting stage and finally, cartridge filtration. For more information click here: http://www.pureaqua.com/media-water-filters.html