DuraVent DuraTech 5" - 6" Black Square Trim Collar for Round Support Box sounbar 5″ Diameter x 10″ High

5″ Diameter x 10″ High Warranty

The swirling flames produce a flame that is completely different from any fire you have seen

You can configure the shield to effectively wrap around one side of a heating appliance

Heat Output Up to 42

DuraVent DuraTech 5" - 6" Black Square Trim Collar for Round Support Box sounbar 5″ Diameter x 10″ HighWith 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