Type of luminary to be built-in, dedicated for the clean rooms of increased cleanliness class ISO 3-6. Luminary designed to module suspended ceilings, equipped with highly efficient LED panels. Luminary coffer made from steel sheet, powder coated in white. Its characteristic feature is lack of aluminum frame what allows to exclude the unwished-for contamination in clean rooms. There are no visible elements joining the screen and the luminary coffer. Accessories: electronic stabilizing and ignition system with possible light stream regulation. For serviving the luminary a handle for glass is needed. Emergency version available.