DuraVent DuraTech 5" Black Finishing Collar With Adapter wall-thermostat The optimum efficiency that we

The optimum efficiency that we publicize is the efficiency obtained according to the same test data

a solution is to insert a stainless liner with a 6" diameter inside the exhaust system

making it ideal for applications where wall-cavity space is tight

AMSF‐GLASS‐03 – 1 Box includes approx

DuraVent DuraTech 5" Black Finishing Collar With Adapter wall-thermostat The optimum efficiency that weWith 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