The system named FreshO as it will provides fresh air and oxygen rich. Treated air is as clean as air in surgery rooms. Pre-filter, active carbon filter, HEPA filter and an UV lights are used to sanitized the air. The air is taken from outdoor, where there is a lot of oxygen. This air will replace indoor room continuously, washing away CO2, formal-dehyde and other indoor pollution. Oxygen rich and clean air will help you to fight certain kinds of allergies, building sickness, snore, dizzy and any problems due to air pollution. A common side effect is that your room will be cleaner and requires less cleaning. more info >>