DuraVent DuraTech 8" x 9" Stainless Steel Double-Wall All-Fuel Chimney Pipe deluxe Dual Gas Knockouts

Dual Gas Knockouts

2 colors of real fiberglass

Mirrored Glass

) in a tapered design to fit most fireplaces

Black Porcelain firebox liner

DuraVent DuraTech 8" x 9" Stainless Steel Double-Wall All-Fuel Chimney Pipe deluxe Dual Gas KnockoutsWith a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance. The inner wall is 25% thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required. DuraTechs sleek 1" wall design provides for easy installations through 16" on