Forever Cap 20 x 20 Single Flue S/S Pro Model

Will fit flues sizes from: 19"x 19" to 21" x 121". Liftime Warranty Made in the USA. 100% Stainless Steel.|Patented 2-Piece design.|24-gauge hood and one-piece base with built-in screening.|8" screen height 3/4" mesh is standard.|Animal Proof Superior oval hole mesh prevents creosote buildup.