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 8" x 17". Fits onto flue tile that measures: Minimum 6-1/4" x 14-1/2" Maximum 8-3/4" x 16-3/4".
Free shipping within the continental United States