10"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 23.75"h] w8h8 + Product Details Size –

+ Product Details Size – 10" x 26" or 26" x 10" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 22" OR 22" x 28" duct opening (measured at the opening)

+ Product Details Size – 36"w X 16"h is the size for the duct opening measurement only

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 24" OR 24" X 14" duct opening (measured at the opening)

10"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 23.75"h] w8h8 + Product Details Size –+ Product Details Size 10"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 23. 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