DuraVent DuraTech 5" Galvalume Chase Top Flashing recessed case quantity is 6 -

case quantity is 6 - 20 lb jars

Color: Black (ZAX42BK)

According to the US Environmental Protection Agency

For use with contemporary burners

DuraVent DuraTech 5" Galvalume Chase Top Flashing recessed case quantity is 6 -With 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