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Carbon Filters (DWI Approved: Private Water applications*)

Carbon Filters (DWI Approved: Private Water applications*)

Granular Activated Carbon (GAC) filters are an excellent choice for removal of chlorine, taste and odour, or organics in water. Some types will even reduce metals. There are many variations but most based on coconut, coal, wood or bone.
GAC works by absorbing the soluble pollutants onto its surface and holding them. Because it has such a massive surface area the amount of absorption is probably one of the greatest of any natural man made material available. Eventually all the pores are filled and the carbon will need to be replaced. As the contaminants are absorbed onto the carbon backwashing the filters is a good idea as the pollutants are held firm but the carbon can be rebeded stopping channelling. The sizing below assumes the carbon is being used for de-chlorination and assumes a contact time of about 4-5 minutes. Organics will require a much longer contact time. Please contact us about sizing these units.

*The Private Water regulations 2009 say products used for drinking water supply in private water installations must be DWI approved. Many of the Whisper Pumps filter systems are approved. 

We recommend for you to contact us on 01777 871100 to discuss your requirements before purchasing a carbon filter online - that is why we don't have any prices listed. 

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Whisper Pumps Ltd, Leen Court, Boughton, Newark, Nottinghamshire, NG22 9ZD