DuraVent DuraTech 6" Galvalume Wall Strap h23.8 Self trimming crystal black glass

Self trimming crystal black glass face (included)

Compatible with copper piping only

increased performance

Optional spark arrestor available

DuraVent DuraTech 6" Galvalume Wall Strap h23.8 Self trimming crystal black 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