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

Drafty fireplace blocker : r/DIY

Chimney Balloon Balloon for Fireplace Draft Stopper - Rockford Chimney

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

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

Rectangle Chimney Wool Draft Stopper for Wood Stove Guinea

Chimney Balloon Fireplace Damper 15X15 Draft Stopper Pillow Plug : : Tools & Home Improvement

Rectangle Chimney Wool Draft Stopper for Wood Stove Guinea

Rectangle Chimney Wool Draft Stopper for Wood Stove Guinea

Chimney Balloon® 12x12 Inflatable Fireplace Draft Blocker (12x12 Chimney Pillow®) : Home & Kitchen

8 Best Fireplace Draft Stoppers