14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 11.75"h] Grilles making it perfect for both

making it perfect for both residential and commercial installations

Size - 10"w X 10"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 18" OR 18" x 22" duct opening (measured at the opening)

this guard is designed to provide maximum protection against tampering while maintaining a clean and professional appearance

Design – Full Control Vertical/Horizontal Air flow Direction

14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 11.75"h] Grilles making it perfect for both+ Product Details Size 14"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 11. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never