The CLean Air 1 36" UV-C light deactivates viruses using upper room air GUV, constantly deactivating viruses and bacteria at a rate of 15-20 times per hour. The technology is already widely accepted, and studies from MANY accredited universities and health organizations prove Upper Room GUV is the safest, most effective method for deactivating airborne pathogens. We look forward to getting your spaces back to normal, and helping staff + patrons feel safe!