6"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 35.75"h] Aluminum - Cube Core + Product Details Size - Suitable for all AC 8in diameter 12125SDCLNGBX

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

equipped with a lever for airflow dampening

this air supply register is ideal for sidewall and ceiling applications

actual front end outer dimensions are approximately 27 5/8" width X 24 5/8" height

6"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 7.75"w x 35.75"h] Aluminum Cube Core + Product Details Size Suitable for all AC 8in diameter 12125SDCLNGBX + Product Details Size 12"w X 30"h is the size for the duct opening measurement only equipped with a lever for airflow dampening