This device with average size , is able to attract the particles in the air and work like an air-conditioner with high efficiency. The placed filters in this device purificates ultra fine particles with sizes of 0.1 micron and efficiency of 99 percent. This device is equipped by a carbon filter for purpose of destroying bacteria and viruses in the air.for increasing the efficiency, this device is included 8 filters which is fantastic. For appropriate moisturizing the room air, the system of manufacturing and releasing the cool steam, it designed vertical It releases the steam with micron size to the room air