This European Standard specifies requirements relating to the construction, performance and methods of testing for active media filters for drinking water installations inside buildings, with a maximum working pressure of at least 1 000 kPa and a maximum working temperature of less than 30 °C. It only concerns units, which are permanently connected to the mains supply at the point of entry or point of use.This standard applies only to filter systems comprising a housing and filter media tested together.It includes capsule type units where both the element and its outer housing are disposable.NOTE Products intended for use in water supply systems are to comp