16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 17.75"w x 17.75"h] 12" Diameter 10"w X 3"h Is The

10"w X 3"h Is The Size For The Duct Opening Measurement Only

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creating a quiet and efficient environment

Elevate the performance and appearance of your ventilation system today

with an additional 1 7/8" width and 2" height

16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 17.75"w x 17.75"h] 12" Diameter 10"w X 3"h Is The+ Product Details Size 16"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 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