Made in the USA, this Shelter Brand black galvanized steel adjustable chimney cover by HY-C Company is the durable and economic choice for chimneys in most regions. The adjustability simplifies the difficult job of measuring and installing a chimney cap. Like all HY-C chimney covers, the mounting design provides maximum free air space and better draft while the attractive powder coat finish helps it stand up to the elements. Made with a 24 gauge galvanized steel hood with scalloped corners and roll-formed edges and 18 gauge 3/4" expanded galvanized steel mesh. Seven year limited warranty.