Description
Usage: Chimney flue extension – Used to extend the height of a standard chimney cap. Used on 8×12 / 9×13 Inch O.D. flues.
Dimensions: For use on 6.1″ to 7.25″ by 10.0″ to 11.2″ ID.
Notes: Stainless Steel Boost-a-Cap kit includes all mounting hardware and instructions. Caps not included.