Pure Aqua, Inc. designs and manufactures water treatment systems in addition to multi-media and activated carbon filtration systems. This system, completed May 2013, was created for use in Nigeria. This system is a combination of a multi-media filter used to filter particles while the activated carbon filter is used for organic materials removal from water. This system's capacity is 50 gpm. For more information click here: http://www.pureaqua.com/pure-aqua-water-treatment-systems.html