Air volume and speed can be regulated Grating channels. Air can be evenly distributed to every corner in the thermal insulating rooms after heat-exchanging through the evaporator.
			
		
 
 
	Air volume and speed can be regulated Grating channels. Air can be evenly distributed to every corner in the thermal insulating rooms after heat-exchanging through the evaporator.
			
		
 
 
	 
	 
	
	
