DuraVent DuraTech 5" - 6" Black Trim Collar for Round Support Box grate 1 cubic foot of natural

1 cubic foot of natural gas will produce *1000BTU per hour

Installation Instructions - SMART-WALL-B

Weight - 50-pound bag of rocks

1 x Outside mounting plate

flush mount installation

DuraVent DuraTech 5" - 6" Black Trim Collar for Round Support Box grate 1 cubic foot of naturalWith 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