The Forever Cap CCPF1616 16 x 16-Inch Stainless Steel Prefab Chimney Cap
Price 80.95 - 108.60 USD
Prefab chimney Cap open size is 16 1/2" x 16 1/2" * Fits over a chimney housing size of 16 3/8" x 16 7/8" * Made in the USA * Lifetime Warranty