This European Standard specifies safety requirements and test methods for inlets and outlets for water/air and water/air based leisure features involving water movement, in addition to the general safety requirements of EN 13451-1:2011.The requirements of this specific standard take priority over those in EN 13451-1:2011.This part of EN 13451 is applicable to swimming pool equipment designed for:— the introduction and/or extraction of water for treatment or leisure purposes;— water leisure features involving the movement of water.NOTE The above items are identified with the general term devices.