12"x12"WHT Gable Louver

12" x 12" pre-painted white finish gable louver. 28 gauge galvanized steel, 1 piece construction with a 2 in. thick frame. 1/8" galvanized wire mesh, 63 sq. in. net free vent area. Ventilates 131 sq. ft. The rough opening is 12-1/4" x 12-1/ ". Nailing flange at front for retro or siding applications. Conforms To Federal Spec QQ-5775A, type 1, class 4 ASTM A-527 and Meets FHA codes.