DuraVent DuraTech 7" Galvalume Adjustable Wall Strap glass-beads The heater timer and auto

The heater timer and auto shut-off add extra convenience

Its fins are designed with an extended heat transfer surface for improved energy efficiency

29" x H - 0

Item Number GGD36BK-B Product Type

Built with a push-button ignition system with a temperature control knob to easily adjust the temperature and turn it on

DuraVent DuraTech 7" Galvalume Adjustable Wall Strap glass-beads The heater timer and autoWith 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