The DuraVent DuraBlack Close Telescoping Pipe Length is used in a two-piece installation from stove to ceiling support box or finishing collar. Pipe adjusts from 44″-68″. DuraBlack is a single-wall interior stovepipe for connecting woodstoves to a manufactured chimney. The bottom section of the DBK telescoping pipe is just slightly taller than the top section and has the three hole around the top for the self-drilling screws. The customer will then take the shorter top section and slide it into the bottom section. See all 6 DuraBlack Stove Pipe. For an economical, drip-free, single-wall stovepipe, DuraBlack is an excellent choice. Built to Simpson DuraVent’s high standards, DuraBlack is constructed with die-formed end fittings. Adjustable lengths eliminate the need for cutting and crimping. The item “6” DuraBlack 44” 68” Telescoping Black Stove Pipe Length 6DBK-TL” is in sale since Wednesday, January 9, 2019. This item is in the category “Home & Garden\Home Improvement\Heating, Cooling & Air\Fireplaces & Stoves\Stove & Chimney Pipes”. The seller is “online_stores_inc” and is located in New Stanton, Pennsylvania. This item can be shipped to United States.