36"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 33.75"h] Compatible With Duct 10in accordion-content')

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+ Product Details Size – 12" x 14" or 14" x 12" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 15

It comes with two versatile mounting base options—solid and ring—making installation simple and flexible

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 14" OR 14" x 36" duct opening (measured at the opening)

36"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 33.75"h] Compatible With Duct 10in accordion-content')+ Product Details Size 36"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 33. 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