Vetters, doing business as Culligan Water Conditioning is a franchise of Culligan International Company, which is one of the leading providers of water treatment solutions for residential and commercial customers. The company designs and distributes a selection of filtration systems through a network of over 800 dealers. Operational for more than 65 years, the company provides research and development, advertising and technical support services. In addition, it offers financing services through certified lenders. The company offers the Gold Series, Medallist Series, Iron-Cleer and Super S lines of water filters. Its Gold Series water filters feature a noncorrosive piston-driven control valves. Culligan Water Conditioning maintains a presence in Davenport, Iowa.