14" X 10" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] Aluminum Bar Adjustable airflow control – Adjustable

Adjustable airflow control – Adjustable airflow control: The system allows users to customize the amount of air supply

Measure the size of the vent opening

75"H – fits a 12" X 8" duct opening

Mounted with a frame and bayonet joint

14" X 10" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] Aluminum Bar Adjustable airflow control – Adjustable+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 11. 75" height. High Quality High quality steel with counter sunk screw holes (screws included) and no sharp edges. Equipped with a lever for easy airflow adjustment and dampening. Airflow Control Adjustable airflow lever allows precise control over the direction and volume of air. Installation