Keep your chimney safe from wildlife critters and harsh outdoor elements with the 18-Inch Round Draft King Single Flue Round Slip-In Chimney Cover. Crafted from durable powder-coated galvanized steel, this chimney cap will help protect your chimney from rough weather conditions like rain, wind, and snow. This slip-in design frees air space allowing an uninhibited chimney draft. This cap features scalloped corners and turn-down edges, a 24-gauge 3/4-inch black powder-coated expanded galvanized steel mesh, and a 14-gauge black powder-coated galvanized steel base, this cap stands up to harsh elements. The extended metal mesh turns inward at the bottom, allowing the covert to rest firmly on the flue tile, closing any gaps to protect against unwanted objects. This cap measures 29-inches long by 28-inches wide, for use on masonry chimneys only. Protect your home and chimney with the Black Galvanized Steel Single Flue Round Slip-In Chimney Cover from Draft King.