DuraVent DuraTech 7" Attic Insulation Shield sqft108 Model # GBF1500-PRO Wattage 1490W

Model # GBF1500-PRO Wattage 1490W Voltage 120V AMPs 12

if one or more burn out

Includes 7 big glass chunks

Product Type: Outside Air Kit

Dark Basalt or Light Basalt

DuraVent DuraTech 7" Attic Insulation Shield sqft108 Model # GBF1500-PRO Wattage 1490WWith 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