12" x 24", Half Round, Roof Dormer, This Roof Dormer Vent Has A Crimpless Face & Eliminates The Need For Sealant Or Solder, 1 Piece Galvanized Steel Construction, Lightweight, With Louver Blades, 1/4" Galvanized Wire Mesh Over The 12" x 9" Rough Opening, Meets FHA Requirements.
