Fresh air system is not a simple blower it
Fresh air host with a filter system, the air filter into the room, breathing treasure installed in the bedroom glass, the dirty air out of the room.
Usually the air inlet in the front of the nose, and the air filter near the inlet, there is no blower, relying on the vehicle driving the natural wind pressure into the wind
Fresh air system commonly known as external circulation, is imported from the car outside the fresh air.
Fresh air system is the name of a set of systems, including the new wind host and breathing treasure.
