LAU FANTOM® is an invisible linear slot diffuser designed to provide efficient air distribution while preserving architectural aesthetics. Installed flush within plasterboard or plaster ceilings, it blends seamlessly into the surrounding surface, creating a clean and minimalist appearance. Its adjustable deflectors allow precise airflow direction, ensuring occupant comfort without compromising design intent. Available in several slot lengths and widths, LAU FANTOM® is the ideal solution for architects seeking discreet ventilation integration in offices, hotels, retail spaces and premium commercial interiors.