Lock Top Round Chimney Adaptors
This is simply slipped inside the round flue opening and the damper is attached to the square (top) of the adaptor. For all round flues up to 8" in diameter use a 8" x 8" lock top damper.
For all round flues between 8" and 12" in diameter use a 13" x 13" lock top damper.
There are no specifications for this product.
There is no warranty for this product.