8" X 8" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"H X 9.75"H] d Rigid Built For External Use–

Rigid Built For External Use– The sturdy and rigid design features noise free components that eliminates vibration and excess noise to the louvers

actual front end outer dimensions are approximately 20 5/8" width X 18 5/8" height

Metal Fab - A brand you can trust

actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height

+ Product Details Size – 20"w X 32"h is the size for the duct opening measurement only

8" X 8" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"H X 9.75"H] d Rigid Built For External Use–+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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 Location