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" Each grille is securely shrink-wrapped Suitable for all AC 8in diameter 12125SDCLNGBX

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

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

[Outer Dimensions: 10

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 30" or 30" x 12" duct opening (measured at the opening)

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" Each grille is securely shrink wrapped Suitable for all AC 8in diameter 12125SDCLNGBX Each grille is securely shrink wrapped with a cardboard backing to prevent damage during shipment actual front end outer dimensions are approximately 22 5 8" width X 12 5 8" height