Undersized to fit inside round pipe, these dampers include a handle, washers and wing nuts.

Specifications: 

SKU Description Prod Info Price/Units Quantity
4RD 4" ROUND DAMPER Product_Details EA
5RD 5" ROUND DAMPER 75/BOX Product_Details EA
6RD 6" ROUND DAMPER (60 CTN) Product_Details EA
7RD 7" ROUND DAMPER 100/BOX Product_Details EA
8RD 8" ROUND DAMPER (80 CTN) Product_Details EA
9RD 9" ROUND DAMPER 75/box Product_Details EA
10RD 10" ROUND DAMPER (50 CTN) Product_Details EA
12RD 12" ROUND DAMPER (50 CTN) Product_Details EA
14RD 14" ROUND DAMPER (50 CTN) Product_Details EA
16RD 16" ROUND DAMPER (50 CTN) Product_Details EA
18RD 18" ROUND DAMPER (50 CTN) Product_Details EA
20RD 20" ROUND DAMPER (25 CTN) Product_Details EA