Fits outside tile dimensions 7.5" x 7.5" to 9.5" x 9.5"

Hy-C GALVANIZED RACCOON SCREENS, made of 18-gauge galvanized 5/8" mesh and 14 gauge galvanized steel base. Slotted hex-head bolts to securely fasten this screen to the flue tile. FREE SHIPPING ON 30 HY-C UNITS.