DuraVent DuraTech 8" x 6" Black Double-Wall All-Fuel Chimney Pipe beachwood-campfyre --> Crushed Glass: 3 bags

--> Crushed Glass: 3 bags of Glass

Allows the installation of the Model 91 as an insert into an existing fireplace

Overall Dimensions: 29

Nextrema Schott glass ensures even heat distribution and minimizes light emissions

DuraVent DuraTech 8" x 6" Black Double-Wall All-Fuel Chimney Pipe beachwood-campfyre --> Crushed Glass: 3 bagsWith 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