Imperial 6 Inch Cast Iron DamperThe long list of Imperial furnace pipes and accessories are all known for durability and quality of construction, and the Imperial 6 Inch Cast Iron Damper is no exception. All pipes and components are made from 24-gauge steel and all carry a 1-year manufacturer's warranty.Make sure you maintain an 18 inch gap from all combustibles when installing, but otherwise use Imperial 6 Inch Cast Iron Damper for any heating, air-conditioning, or venting applications where rigid pipe is required.

- Cast Iron Damper
- 18" clearance to combustibles
- Deduct 1-1/2" for installed length
- Available in sizes 6" and 8"
- Warranty: 1 year manufacturers warranty
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