
What is Germicidal Ultraviolet (GUV) light?
A type of light that can safely kill germs in the air
uses ultraviolet-C (UV-C) light /GUV
Reduces your chance of getting sick from flu, COVID, colds and more
Why GUV?
GUV lights, along with other tools like ventilation, vaccines, and masks, help you avoid catching COVID, flu, and colds
Kills germs without using harsh chemicals
Will help keep you safe from new viruses
Are they safe?
Yes, when professionally installed:
UV-A & UV-B in sunlight causes skin cancer, but GUV in artificial lights does not
Maintenance staff must turn the UV off before they work in the upper room
These fixtures meet safety standards for employees and the public
GUV has been safely used in the University of Maryland for more than 10 years
The fixtures look different
Upper-room GUV
Whole-room Far GUV


Used in crowded places
Cleans air cross the top of room
Germ-free air moves down to you
Can irritate eyes/skin if you climb up near the fixture
Used in waiting areas
Cleans the air around you from ceiling to floor
Will not irritate your eyes