Flueblocker to Plug a 10" Round Chimney Flue – Chimney Sheep Wool Wood Stove & Fireplace Draft Stopper Plug Excluder – Save Energy Block Smell & Debris – Better Than Inflatable Pillow Balloon

The Flueblocker is a dense wool pad that seals and insulates the fireplace or wood stove chimney. It fits into the narrow part of the flue just above the firebox, and can be used with our without a damper. It can easily be installed and uninstalled many times. You MUST remove the Flueblocker before you light your fireplace. Cannot be used in functional vented gas log fireplace. Flueblocker is made with Herdwick wool at the Chimney Sheep facility in England.