ATHMOSSphere the ceiling germicidal air purifier is designed for highly efficient, homogeneous air disinfection and virus elimination in large rooms. It filters the air of the standard school class 3-4 times per hour. It is suitable for a university auditorium, meeting room, conference room. It is specially developed for school classes and kindergarten classes. After 1 hour of operation of the ATHMOSSphere air purifier, the disinfection efficiency is 98.7%. After 2 hours of work, the room gets rid of viruses and other unwanted microorganisms to 100% (measured in a room with a size of 126m3.)