Product DescriptionSand filters are used for water purification. There are three main types;rapid (gravity) sand filtersupflow sand filtersslow sand filtersAll three methods are used extensively in the water industry throughout the world. The first two require the use of flocculant chemicals to work effectively while slow sand filters can produce very high quality water free from pathogens,Website:http://www.go-fountain.com, taste and odour without the need for chemical aids.The filtration medium consists of a multiple layer of sand with a variety in size and specific gravity.Applications for sand filtration:Preperation of cooling waterTreatment of waste waterProduction of drinking waterFiltration in swimming poolsPre filtration for membrane systemsFiltration of grey or surface waterRemoval of iron1.Company InformationCompany CetificationsISO 9001:2008; CE; Audited by SGS, TUV