Galvanized Round Blade Dampers With Hardware Undersized to fit inside round pipe, these dampers include a handle, washers and wing nuts. SKU 4RD Product Details | Specifications | Check Inventory Please select 4" ROUND DAMPER 5" ROUND DAMPER 75/BOX 6" ROUND DAMPER (100 CTN)7" ROUND DAMPER 100/BOX 8" ROUND DAMPER (80 CTN) 9" ROUND DAMPER 75/box 10" ROUND DAMPER (50 CTN) 12" ROUND DAMPER (50 CTN) 14" ROUND DAMPER (50 CTN) 16" ROUND DAMPER (50 CTN) 18" ROUND DAMPER (50 CTN) 20" ROUND DAMPER (25 CTN) Log in to view price
