- 1. This round fireplace damper diameter measures 12" and comes with 3 loops of sewing thread, allowing you to trim it to fit flue openings up to 8"-10" or smaller(Actual product dimensions diameter are 12" round) ) , Measure the inside dimensions of your fireplace to ensure a proper fit. For optimal performance, the fireplace flue blocker should be slightly larger than the opening to create a tight, effective seal.
- 2. This fireplace draft blocker is made of high grade fire resistant felt material that prevents combustion. Use it to block the flow of air up and down the chimney, helping to stop cold drafts and keep the room warm in the winter months, and keeping the room cooler and lowering energy bills in the summer months. The fireplace cold air blocker is a dense mat that seals and insulates the chimney of a fireplace or wood stove. The sealing effect of this chimney damper prevents drafts, odors, noise and debris from entering the home through the fireplace.
- 3. Equipped with a special telescopic pole: to make it more convenient to use, this windshield is equipped with a telescopic metal pole, which can be freely extended and retracted, the shortest can be contracted up to 16 inches meters and the longest can be extended up to 60 inches, which can better enable the windshield to be fixed in the ideal position.
- 4. Easy to install and remove: This chimney draft blocker compresses to fit flues of all shapes and sizes without leaving any gaps, the chimney breathes and therefore prevents heat loss more effectively. No more pillows or other fabric fireplace covers, simply insert the damper right above the fireplace flue. When you're ready to use your fireplace, the chimney plug can be easily removed with the help of a metal shrink bar.
- 5. Important - This fireplace damper cannot be used with active vented gas log sets. The chimney flue blocker is designed to be installed in the narrow section above the fireplace and should only be used when the fire is completely out.





