Galvanized Straight Spin-Ins for Metal with Damper #6000 Hercules straight spin-in`s for metal duct with a damper. SKU 6004 Product Details | Specifications | Check Inventory Please select 4" METAL SPIN W/DAMPER 50/CTN5" METAL SPIN W/DAMPER 45/CTN6" METAL SPIN W/DAMPER 45/CTN7" METAL SPIN W/DAMPER 24/CTN8" METAL SPIN W/DAMPER 18/CTN9" METAL SPIN W/DAMPER 10/CTN10" METAL SPIN W/DAMPER 8/CTN12" METAL SPIN W/DAMPER 4/CTN14" METAL SPIN W/DAMPER 2/CTN16" METAL SPIN W/DAMPER 2/CTN18" METAL SPIN W/DAMPER 2/CTN20" METAL SPIN W/DAMPER 2/CTN Log in to view price
