20"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 21.75"w x 31.75"h] Return Grille Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 7

For added versatility

75" Height

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening)

20"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 21.75"w x 31.75"h] Return Grille Actual Front End Outer Dimensions+ Product Details Size 20"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 21. 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