10" X 10" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Floor Grille actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 42 5/8" height -

+ Product Details Size – 50"w X 20"h is the size for the duct opening measurement only

Complies with industry standards of USA: ASTM D-882

actual front end outer dimensions are approximately 16 5/8" width X 22 5/8" height

+ Product Details Size - 6"w X 32"h is the size for the duct opening measurement only

10" X 10" [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Floor Grille actual front end outer dimensions+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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