Galvanized Straight Spin-in's for Metal- No Damper #5000 Hercules straight spin-in`s for metal duct without a damper. SKU 5004 Product Details | Specifications | Check Inventory Please select 4" METAL SPIN-IN 80/CTN 5" METAL SPIN-IN 64/CTN 6" METAL SPIN-IN 45/CTN 7" METAL SPIN-IN 36/CTN8" METAL SPIN-IN 24/CTN 9" METAL SPIN-IN 20/CTN 10" METAL SPIN-IN 16/CTN 12" METAL SPIN-IN 12/CTN 14" METAL SPIN-IN 9/CTN 16" METAL SPIN-IN 6/CTN 18" METAL SPIN-IN 6/CTN 20" METAL SPIN-IN 5/CTN Log in to view price
