Details
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
Duravent 8860 6dvl-x8 6"To 8" Dvl Increaser