Energy Harness, LED manufacturer/distributer recently released new product to help schools combat Covid-19. This light fixure seem to be purifying air with Ultraviolet light(275nm) to provide continuous disinfection from virus as well as other microorganism.
Active Airflow UV-C Fixture, could be installed in ceiling grids to treat indoor areas up to 256 squre feet, multiple units can be installed, to treat bigger rooms. This fixture donot produce visible light. This is specifically designed for disinfection purpose.
Intertek Laboratories, well recognized lab has found Active Airflow UV-C has a 99.9% effectiveness rate against airborne pathogens. Testing on the SARS-CoV-2 virus revealed that device has 99.998% inactivation rate for virus within a second.