24"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 13.75"h] Copper Coil Designed for optimal air flow

Designed for optimal air flow and lasting durability

Design – Removable frame for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size - 36"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 33

24"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 13.75"h] Copper Coil Designed for optimal air flow+ Product Details Size 24"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 13. 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