Heat loss up the fireplace chimney accounts for an average 8% of your home heating costs! Seal Tight Top Mount Dampers help prevent this heat loss. Stay warmer and save money!
Base size 9" x 13". Fits onto flue tile that measures: Minimum 6-1/2" x 10-1/2" Maximum 9" x 12-3/4".
Free shipping within the continental United States