28"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 25.75"h] Color_Red Oak Wood + Product Details Size –

+ Product Details Size – 12" x 16" or 16" x 12" is the size for the duct opening measurement only

color: #111

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 36" OR 36" x 22" duct opening (measured at the opening)

actual front end outer dimensions are approximately 24 5/8" width X 16 5/8" height

28"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 25.75"h] Color_Red Oak Wood + Product Details Size –+ Product Details Size 28"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 25. 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