BestValue Go Anti Bird/Rain Stainless Steel 9-inch Mesh Flue Chimney Cap Cover Dimension:13"L*13"W*6.7"H (3*33*17cm);weight: 3 lbs; 304 stainless steel; Will fit most standard outside flue tile--base diameter 9"; 1" Stainless Steel Mesh used; To protect your chimney against rain and moisture penetration and nuisance wildlife.