Small particles are picked up by drinking water on its way to the consumer and lead to destruction of the water systems and impair the function of fittings, expensive circulation pumps and sensitive household utensils. “Corrosion” is one of the effects which becomes evident once the disaster has struck! Unfortunately, one cannot turn a pipe "inside-out"! It is for this reason, that responsible water works and standards recommend strongly the installation of a filter at the point of entry into the house.