12"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 9.75"h] Powder-Coat 75"H – fits a 16"

75"H – fits a 16" X 16" duct opening

customize cuts and flares as needed

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 14" or 14" x 6" duct opening (measured at the opening)

preventing tampering and maintaining consistent temperature settings

actual front end outer dimensions are approximately 38 5/8" width X 20 5/8" height -

12"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 9.75"h] Powder-Coat 75"H – fits a 16"+ Product Details Size 12"w X 8"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 75" Width X 9. 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