Flueblocker for 9" x 45" Chimney Flue, Chimney Sheep Fireplace Draft Stopper, Rectangular Fireplace Plug

MULTIPLE BENEFITS: Chimney flue blocker creates a seal that stops drafts, odors, noise and particulates from entering your home through the fireplace; it also helps to increase energy efficiency by making your home easier to heat NATURAL AND DURABLE: The fireplace draft stopper is made out of naturally renewable, dense, durable and rigid 100% Herdwick wool imported from England; it stays securely in place without puncturing or deflating CUSTOMIZABLE: While the rectangular fireplace plug is the right size for a 9" x 45" flue opening, it's also trimmable using scissors to fit smaller openings EASY INSTALLATION AND REMOVAL: Simply insert the fireplace flue blocker into your fireplace flue just above the firebox; it's also easily removed when you are ready to use your fireplace SAFETY PRECAUTION: Do not use the chimney draft stopper in a functional gas log fireplace; a vented gas log should be disabled or removed before use