Snaps into the ceiling support box or finishing collar and extends down to fit into stovepipe for a drip-free connection to a DuraTech, DuraPlus, DuraPlus HTC, or DuraLiner Chimney system. Provides a strong mechanical connection. For an economical, drip free, single-wall stovepipe, DuraBlack is an excellent choice. Built to DuraVents high standards, DuraBlack is constructed with die-formed end fittings. Adjustable lengths eliminate the need for cutting and crimping. DuraBlack is made of 24-gauge steel construction, lock-seemed, and painted black.ADA Compliant: No Finish: Black Fuel Type: Wood Height: 4-1 4 Material: Steel Pipe Class: Stove Pipe Pipe Inside Diameter: 8 Pipe Shape: Round UL Listed: Yes Vent Construction: Single Wall