18"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 19.75"w x 19.75"h] Compatible with Duct 10" [Outer Dimensions: 10 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

[Outer Dimensions: 10

modern Victorian

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height -

18"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh Brown [Outer Dimensions 19.75"w x 19.75"h] Compatible with Duct 10" [Outer Dimensions: 10 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 [Outer Dimensions: 10 modern Victorian