12" X 8" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 9.75"H] Width_20in this diffuser is both functional

this diffuser is both functional and aesthetically pleasing

+ Product Details Size – 2"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 20"h is the size for the duct opening measurement only

with actual front end outer dimensions of 6"

12" X 8" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 9.75"H] Width_20in this diffuser is both functional+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 9. 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