28"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 7.75"h] Adjustable Return + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 16" OR 16" x 30" duct opening (measured at the opening)

Choose from a palette of four elegant colors – white

ensuring a perfect fit

actual front end outer dimensions are approximately 38 5/8" width X 8 5/8" height

For a visual guide on how to measure your vent hole before ordering a grille

28"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 7.75"h] Adjustable Return + Product Details Perfect Fit+ Product Details Size 28"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 7. 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 wear