The Forever Cap CCSS822 8 x 22-Inch Stainless Steel Double Flue Chimney Cap Designed to fit over an 8 in.x 8 in.and an 8 in.x 13 in. masonry clay flue tiles. Sizes ranging from: 6-1/2 in. x 21 in. to 9 in. x 24 in. Hood size is 16" x 32" Made in the USA