Egevent EPM+DA (with damper) model perforated grilles are used as suction and blowing grilles in ventilation systems. Frames are made of specially rolled 6063 aluminum profile, grille parts are produced from perforated DKP sheet. Standard coating process is done with electrostatic powder painting in RAL 9010 and 9016 color codes, other colors and anodized coating can be made upon request, flow regulation dampers can be produced from aluminum profile with opposite blades or parallel blades.