The DuraChimney II 12 Class A Chimney Pipe Chimney Cap is a component that is used in a typical venting installation. The DuraChimney II is used to terminate chimney system. Required on all installations. Slides over previous section of DuraChimney II pipe to allow for chimney height adjustment. Includes Spark Arrestor.ADA Compliant: No Collection: DuraChimney II Depth: 24 Fuel Type: Coal, Gas, Oil, Wood Height: 31 Material: Galvanized Steel Pipe Class: Class A Pipe Inside Diameter: 12 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Weight: 45 Width: 24