Forever Cap 17 x 17 Single Flue S/S Pro Model

Will fit flues sizes from: 16.5"x 16.5" to 18.5" x 18.5". 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.