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!
Four Season Protection for your chimney. When closed, the damper seals in your heat and air conditioning, seals out birds, animals and insects.
Base size 18" x 18". Fits onto flue tile that measures: Minimum 15" x 15" Maximum 17-3/4" x 17-3/4".
Free shipping within the continental United States