14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Fixed Blades with Damper actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 32 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 24 5/8" height

+ Product Details Size - 12"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

+ Product Details Size - 20"w X 36"h is the size for the duct opening measurement only

14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Fixed Blades with Damper actual front end outer dimensions+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 7. 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