14" x 18", Gable Louver, 28 Gauge Galvanized Steel, 1 Piece Construction With A 2" Thick Frame, 1/4" Galvanized Wire Mesh, 110 SQIN Net Free Vent Area, Ventilates 229 SQFT, Rough Opening: 14-1/4" x 18-1/4", Nailing Flange With 7/8" Reveal For Stucco Construction, Conforms To Federal Spec QQ-5775A, Type 1, Class 4 ASTM A-527 & Meets FHA Codes.
