Rockford Chimney Supply Stainless Steel Premier Chimney Damper Cap with Mounting Bolts, 12x12 Inch The first insulated chimney damper cap in the industry with easy install mounting bolts Chimney Caps Made in the USA with 304 stainless steel Chimney Damper Cap with Lifetime Warranty Installation support before and after the sale; we're here to help you do it yourself Removable chimney damper lid for easy cleaning and inspection