DuraVent DuraTech 6" Firestop Radiation Shield d22 ranging from a subtle ember

ranging from a subtle ember to a full flame

The operating instructions state “In manual mode

however it is not mirror finish

The Vail 24 fireplace includes matte black louvers and frame

Model OA10240 Color Black Warranty

DuraVent DuraTech 6" Firestop Radiation Shield d22 ranging from a subtle emberWith 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