The Lyemance energy saving top mount 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 10 5/8" to 11 3/8" and has a Cross-Sectional Area of 75 sq. inches.
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