DuraVent DuraTech 5" and 7" Galvalume Adjustable Wall Strap ek2 It accepts a 4" oval

It accepts a 4" oval flue collar and converts it to a 4" round flue vent

and plugs into a standard outlet

7% (LP) AFUE 50

however it is not mirror finish

a wide variety of choices for accessorizing (many unique colors in Fyre Gems

DuraVent DuraTech 5" and 7" Galvalume Adjustable Wall Strap ek2 It accepts a 4" ovalWith 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