Will fit flue sizes from: 11-1/2 in. x 11-1/2 in. to 14 in. x 14 in.
Hood size is 18" x 18" ; 100% Stainless steel
24-Gauge stainless steel hood and base with build-in screening
8 in. Height 3/4 in. diamond hole mesh is standard
Lifetime Warranty ; Made in the USA