8" X 8" Chim-A-Lator Deluxe Damper Cap - DC88
This damper easily mounts on top of a masonry fireplace flue and is operated by a convenient, adjustable regulator installed on the side wall of the fireplace. It helps encourage heat retention and manage draft control. It is far more efficient than conventional cast-iron dampers, and the ideal replacement for old defective fireplace dampers.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.