This Old House - MONEY SAVER: Many dampers don't close tightly when the fire's out. A reusable inflatable plug, such as the Chimney Pillow Fireplace Draftstopper ($55-$110; batticdoor.com), seals when you need

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Seal and insulate the fireplace or wood stove chimney with the Flueblocker Fireplace Draft Stopper. This dense wool pad fits into the narrow part of

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Fireplace draft stopper (large plug - fits most

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