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] white please note that the total

please note that the total outer dimensions of the grille measure 14" in diameter

Actual Filter Size – 9 3/4"w x 35 3/4" x 1"

+ Product Details Size – 18"w X 28"h is the size for the duct opening measurement only

ensuring compatibility with most thermostat models

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

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] white please note that the total+ 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