8"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 13.75"h] Powder-Coated For a visual guide on

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

actual front end outer dimensions are approximately 14 5/8" width X 38 5/8" height -

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

Installation Location – sidewall and ceiling

The ring base allows installation without removing the thermostat

8"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 13.75"h] Powder-Coated For a visual guide on+ Product Details Size 8"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 13. 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