Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover

The 21×10 Chimney Balloon plugs a rectangular chimney flue that is between 17”x7” to 21”x10”. The handle valve is 7” long. Every Chimney Balloon draft

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Chimney Balloon® 15x15 Inflatable Fireplace Draft Blocker (15x15 Chimney Pillow®) : Home & Kitchen

The 15″x15″ Chimney Balloon has a tapered edge that is designed to work on a 12” to 15” round chimney pipe, or a square chimney opening that is

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