DVL Collection 6″ Double Wall Telescoping Length – 29″ – 46. The DVL 6″ Double Wall Telescoping Length – 29″ – 46 is a component that is used in a typical venting installation. Use for a two-piece installation from stove to ceiling support box or finishing collar. Available in 29? – 46? And 40? – 68? Extensions. No cutting is required. Inner Diameter: 6″ Adjusts from 29″ – 46. DVL double-wall stove pipe completes the venting system when used with one of? S chimney products, such as DuraTech or DuraPlus. DVL? S double-wall, air-insulated design reduces clearances to combustibles from 18? To 6? , the closest clearance to a wall of any connector pipe. DVL improves stove performance by maintaining high flue gas temperatures for a strong, steady draft. Because the inner wall is stainless steel the flue heats up faster, stays hot longer, minimizes the formation of creosote, and has the same life expectancy as the chimney. Adjustable lengths eliminate the need for cutting or crimping. Required for Manufactured Home installations. Double wall finishing pipe serves as the bridge connecting the stove to the ceiling support box or finishing collar, culminating in a seamlessly integrated 2-piece arrangement DVL line features die-formed fittings and adjustable lengths, so you don’t need to cut or crimp the ends, reducing the risk of improper fittings, which could compromise efficiency and durability Ventilation system handles emissions stemming from a diverse range of fuel sources, including wood, oil, coal, and gas, channeling smoke and exhaust fumes to the outdoors Stove pipe with a 6-inch interior diameter boasts a 0.20-inch steel construction and lock-seamed design providing you a winter companion that not only endures but excels Adjustable from 29 to 46 inches which offers a snug fit for quick installation and allows 18-inch clearance to combustible; Measures 29 inches long, 6 inches wide, and 6 inches tall.