The DVL 7 Double Wall Adapter Section - No Damper is a component that is used in a typical venting installation.Connects DVL pipe to the appliance flue outlet. Use as a stove adapter The damper is not included UL ListedADA Compliant: No Collection: DVL Finish: Black Fuel Type: Wood Height: 4-3 4 Inside Diameter: 7 Material: Galvanized Steel Pipe Class: Stove Pipe Pipe Shape: Round Style: Contemporary Modern Vent Construction: Double Wall Weight: 2