Use to adapt DuraBlack pipe to ceiling support box or finishing collar. Adds 3 - 13 of length to rigid pipe. Allows drip-free installation without cutting the pipe. Can be used in line to create a telescoping combination when used with a straight length of pipe. 10 connector requires screws. Provides a strong mechanical connection. For an economical, drip free, single-wall stovepipe, DuraBlack is an excellent choice. Built to DuraVentÂ’s 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 Collection: DuraBlack Finish: Black Fuel Type: Wood Height: 14 Length: 9 Material: Steel Pipe Class: Stove Pipe Pipe Inside Diameter: 6 Pipe Shape: Round UL Listed: Yes Vent Construction: Single Wall