10"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 15.75"h] w10h10 Design – Rigid gauge ABS

Design – Rigid gauge ABS plastic

+ Product Details Size – 22"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

Installs Directly On Round & Oval Spiral Duct - No Frames

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 8" duct openings

10"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 15.75"h] w10h10 Design – Rigid gauge ABS+ Product Details Size 10"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 15. 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