DuraVent DVL 6DVL-X8 Double Wall Interior Stove Pipe Increaser to Vent Smoke & Exhaust, 6 Inch Diameter to 8 Inch Diameter Connection, Black

Increase from a smaller appliance flue to outlet to a larger diameter chimney or stovepipe with the DVL double-wall black stovepipe | Features die-formed fittings and adjustable lengths, so you don't need to cut or crimp the ends | Vents smoke and exhaust fumes outside from wood, oil, coal, and gas fuels, keeping your safety and convenience at top of your mind | With 0.20-inch steel construction with a lock-seamed design offers drip-free operation for use winter after winter | Designed with a 9-inch length and a 6-inch interior diameter, this extension offers a snug fit on most wood stoves; Requires 18-inch clearance to combustibles