A Bavarian manufacturer of window drives, RWA control panels and complete ferralux natural smoke and heat exhaust ventilator systems. Its opening units are tested and certified by ift Rosenheim, notified body 0757, to EN 12101-2 with the B 300 heat-resistance classification, and its EMB7300 control panel holds a VdS approval for components and systems, declared against EN 12101-10 for power supplies. The range serves both fire-case smoke extraction and everyday natural ventilation.