14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 15.75"h] Color_Aluminum + Product Details Size –

+ Product Details Size – 25"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 4"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

at predicted low air motion 35 fpm in the zone of occupancy

no scuff powder coat durable finish

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