24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 31.75"h] Copper Coil + Product Details Size -

+ Product Details Size - 10"w X 16"h X 2"d (for duct opening measurement only)

R value rating of insulation - r3

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening)

Solid Base for Stability – Built with a solid base for reliable mounting and stability

+ Product Details Size - 36"w X 18"h is the size for the duct opening measurement only

24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 31.75"h] Copper Coil + Product Details Size -+ Product Details Size 24"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 31. 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