14"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 7.75"h] w34h34 One model suits both T-Bar

One model suits both T-Bar and Drywall installations

actual front end outer dimensions are approximately 16 5/8" width X 27 5/8" height

+ Product Details Size - 10"w X 16"h is the size for the duct opening measurement only

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

14"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 7.75"h] w34h34 One model suits both T-Bar+ Product Details Size 14"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 7. 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