34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] Color_R-4.2 Yellow } /* Added styles for

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actual front end outer dimensions are approximately 36 5/8" width X 38 5/8" height

actual front end outer dimensions are 32" width X 10" height

+ Product Details Size - 16"w X 25"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 8" in diameter

34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] Color_R-4.2 Yellow } /* Added styles for+ Product Details Size 34"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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