Ultraviolet lamps for medical purposes; medical apparatus and instruments, namely, air filters for medical machines, namely, air filters for increasing and controlling hygiene in confined gaseous environments for medical and health care facilities for filtering particle impurities of different particle sizes

Ultraviolet lamps for medical purposes; medical apparatus and instruments, namely, air filters for medical machines, namely, air filters for increasing and controlling hygiene in confined gaseous environments for medical and health care facilities for filtering particle impurities of different particle sizes