Class A pipe is also known as Chimney Pipe or UL103 Pipe. Class A systems are used for high-temperature exhaust gases from common solid fuels such as: Wood, Coal, Oil, and other high-output fuels. This pipe is meant to be installed as a free-standing chimney system and can be connected to your stove or appliance without the need for an existing chimney.Use for through-the-wall installations Includes removable Tee Cap for easy chimney cleaning or inspection Wall straps, a wall thimble, and an adjustable tee support bracket must be installed with the tee as directedADA Compliant: No Collection: DuraTech Depth: 17 Finish: Galvanized Fuel Type: Coal, Gas, Oil, Wood Height: 20 Inner Diameter: 10 Material: Galvanized Steel Outer Diameter: 12 Pipe Class: Class A Pipe Shape: Round Style: Functional Vent Construction: Double Wall Weight: 27 Width: 14