DuraVent DuraTech 6" Galvalume Wall Thimble btu36500 Black Polished Crushed Glass

Black Polished Crushed Glass

Technology: Opti-V

Model 6000 SERIES Item Number BH0420033 Fuel Type Electric Color Black

The gases are then expelled through the Flue outlet

DuraVent DuraTech 6" Galvalume Wall Thimble btu36500 Black Polished Crushed GlassWith 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