UV Diffusers 3-in-1 solution against the spread of airborne diseases through ventilation systems Safe Air Clean Air Enhanced Ventilation Disinfects the air from viruses and bacteria including SARS-CoV-1, SARS-CoV-2 and Legionella Low Pressure Drop - Compatible with All Systems - Energy Saving Alternative to Outdoor Air Watch the video at UVdiffusers.com H V A C TMhttp://www.UVdiffusers.com