Double-wall pipe keeps your home smoke-free and safe as you fire up your wood-burning stove; Dimensions (L x W x H): 7.25 x 7.25 x 18 inches; Weight: 4.70 pounds. DVL improves performance by maintaining high flue gas temperatures for a strong, steady draft. Vents smoke and exhaust fumes outside from wood, oil, coal, and gas fuels, keeping your safety and convenience at the top of your mind. Double-walled galvanized steel and stainless steel construction designed for lasting durability. 18-inch length with a 6-inch diameter offers a snug fit for quick and simple installation; Requires 6-inch clearance to combustibles. Stay warm and safe while cozying up by the wood-burning stove thanks to the DVL Galvanized Steel Double Wall Pipe Connector from DuraVent. Constructed from galvanized steel and stainless steel, this double-wall interior pipe connects wood stoves to your chimney, so your home stays toasty and smoke-free all season long. Great for venting exhaust caused by burning wood, oil, coal, and gas fuels, this 18-inch long connector improves your stove’s performance by maintaining high flue gas temperatures for a strong, steady draft. The stainless steel inner wall heats the flue faster, stays hot longer, minimizes the formation of creosote, and has the same life expectancy as the chimney With an installed length of 17.25 inches and a 6-inch interior diameter, this extension offers a snug fit on most wood stoves. A 6-inch clearance to combustibles is required for safe operation. Keep your family safe from the fumes every winter with the help of the DVL Galvanized Steel Double Wall Pipe Connector by DuraVent.