Draft King makes products that are designed to make sure your chimney remains a chimney and not a hotel for all of the local wildlife. One such item that they have designed is the 15 inch by 15 inch Stainless Steel Single Flue Chimney Cover which has been designed to fit onto your ...Draft King makes products that are designed to make sure your chimney remains a chimney and not a hotel for all of the local wildlife. One such item that they have designed is the 15 inch by 15 inch Stainless Steel Single Flue Chimney Cover which has been designed to fit onto your chimney solidly, keeping every interested animal outside where you can enjoy them and not have to worry about them deciding to go exploring the interior of your chimney.