Brand Name: Selkirk Adjustable: Yes Diameter: 8 in. Material: Stainless Steel Product Type: Stove Pipe Adapter End 2 Outside Diameter: 8 in. End 1 Outside Diameter: 8 in. Color: Stainless Steel Chimney Vent Type: Type A End 1 Inside Diameter: 8 in. Vent Type: Type HT Shape: Round Maximum Temperature: 1200 deg. F Wall Construction: Double Wall Maximum Continuous Temperature: 1200 BTU/hr. UL Listed: Yes End 2 Inside Diameter: 8 in. Packaging Type: Boxed Product no. DSP8CPA DSP stove pipe Discovery Regional.