Flanges & Dampers
-                  Floor&Ceiling Plate, 4" White Floor&Ceiling Plate, 4" White79138-1 
-                  Floor&Ceiling Plate, 3" White Floor&Ceiling Plate, 3" White79138-2 
-                  Damper, 6" metal Damper, 6" metal28080-3 
-                  Damper, 3" metal round Damper, 3" metal round28080-1 
 
                
