And many passengers also think that the plane is a confined space, and may not pay attention to the air circulation and filtration system of the cabin before experiencing the new crown epidemic.

With the gradual increase in the age of the aircraft, and the damage to the air-conditioning system caused by catkins and air pollution in certain seasons, the performance of the air-conditioning system will be attenuated or even deteriorated when the new aircraft is put into use for about two years.

When traveling by plane, whether it is boarding or flying at an altitude of 10,000 meters, the appropriate temperature and fresh air in the cabin are the basis for a pleasant travel. And these are the important tasks of the air management system.