M600 recessed luminaire without light source with integrated air sanitiser. The sanitising device is based on a closed-chamber UV-C flow cell without ozone emissions. The system has adjustable speed and operation timing, and thanks to the unique uvOxy® technology, it eliminates any risk during operation and allows continuous sanitisation of rooms in the presence of people. Tests carried out are available online and certify sanitisation efficacy of up to 99.9% on Coronaviruses and Bacteria far more aggressive than COVID-19.