Description
Usage: Chimney flue extension – Used to extend the height of a standard chimney cap. Used on 8×8 – 9×9 Inch O.D. flues.
Dimensions: For use on 6.25″ to 7.25″ ID flue (Internal Dimension).
Notes: Stainless Steel Boost-a-Cap kit includes all mounting hardware and instructions. Caps not included.