Lyemance Energy-Saving Damper 8" x 17"

Description

The Lyemance energy saving damper is designed to stop air loss through chimney and can save you on your energy bill.  It is a top mount chimney damper that is installed on top of your chimney flue and has a line that attaches to the side of the firebox to open and close it.
Fits Inside Flue Sizes 5 1/42" x 14 1/4" to 8 1/4" x 16 1/2" and has a Cross-Sectional Area of 62 sq. inches.