*13" Round ICP Air Insulated Stainless Steel chimney cap
*Inside collar of cap just pushes down inside with a friction fit
*Select the cap size that matches the inside diameter of the chimney pipe
*Outer rim of cap is 16" in diameter and covers and protects chimney
*Lifetime Warranty.
*The removeable lid is 24 gauge and the 5" high screen is 18 gauge.
*Fast shipping and Guaranteed price