Complete purification package with heatless adsorption dryer, pre, afterfilter and level-controlled electronic condensate drain. Compressed air is used in almost all areas of industrial manufacturing as a source of or processing. Compressed air needs to be dry, oilfree and clean in order to prevent costly production downtimes and losses in the production quality. The atmospheric air drawn in contains harmful substances, dirt particles and moisture in the form of water vapour, which condenses out in compressed air pipes and can lead to considerable costs (corrosion, freezing etc.).