14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 11.75"h] Supply Grille Two Mounting Base Options –

Two Mounting Base Options – Includes both a solid base and a ring base

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings

actual front end outer dimensions are approximately 27 5/8" width X 30 5/8" height

14" Diameter Is The Size For The Duct Opening Measurement Only

14"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 11.75"h] Supply Grille Two Mounting Base Options –+ Product Details Size 14"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 11. 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