14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 15.75"w x 15.75"h] 10" Diameter + Product Details Size –

+ Product Details Size – 10"w X 22"h is the size for the duct opening measurement only

Design – These Supply Diffusers with integral round necks are recommended for heating

Exceptional Craftsmanship: Hand-inspected for quality

12"w X 2"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 14" x 26" or 26" x 14" is the size for the duct opening measurement only

14"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 15.75"w x 15.75"h] 10" Diameter + 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