Chimney Flue Stopper - 13"x 35" Rectangular Plug Blocker for Fireplace Flue Chimney Replacement Stove Seal Damper Tool

Warm Home Helper: This chimney flue stopper can pay for itself in one heating season, making your home feel warmer by keeping warm air in and cold drafts out. The excellent sealing performance effectively blocks airflow, odors, noise, debris, and insects from entering your home | More Variable Sizes: The flue plug is an 13" x 35" rectangle with 3 loops of sewing thread, allows you to flexibly trim the plug to fit your fireplace. The rectangular fireplace plug should be sized slightly larger than the flue opening to create a tight seal | Excellent Material: Our 1.0 inch thick blocker for chimney flue is made out of naturally renewable, dense, durable, and rigid 100% pure wool which provides a perfect seal, significantly reducing airflow and heat loss | Ease of Use: 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, just remove the damping bar from the flue plug | Warm Reminder: The fireplace flue stopper cannot be used with movable gas devices. Avoid insects, pets, charcoal ash nearby, resulting in safety accidents. If you have any problems with our products, contact us within 24 hours to solve the problem for you