DuraVent DuraTech 5" Galvalume Adjustable Wall Strap 25in Provides a safety barrier and

Provides a safety barrier and prevents debris from entering the fireplace

With a weatherproof j-box and weatherproof cover

Usable with DF-AFB30 burner

Width 16in [406mm] Height 7

2 Length 39" 39" 39" 39"

DuraVent DuraTech 5" Galvalume Adjustable Wall Strap 25in Provides a safety barrier andWith 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