36"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 17.75"h] sidewall + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 10" or 10" x 8" duct opening (measured at the opening)

+ Product Details Size - 14"w X 6"h Is The Size For The Duct Opening Measurement Only

Noise free components - no vibrating louvers etc

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

display: block

36"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 17.75"h] sidewall + Product Details Perfect Fit+ Product Details Size 36"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 17. 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