Round Volume Damper with worm gear lever
			
				
					- Product code: 
 
					- Ingredient: Galvanized, stainless steel
 
											- Manufacturer: 
 
					- Guarantee: 12 months
 	
					- Price: Contact
 
				
			 
            
            
            
         
		
			PRODUCT INFORMATION
			-         It is used to adjust the air supply and return
-         It is installed directly on the supply spiral pipe of return spiral pipe or behind of contributed wind box.
-         It is made of  galvanized or stainless steel
-         Cock is designed worm geat lever type.
-         It is very easy to adjust the air supply and return.
-         RVD is convenient to install, use and high quality.