10"w X 10"h [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] w10h10 actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 16 5/8" height -

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 16"w X 8"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 14 5/8" width X 18 5/8" height

10"w X 10"h [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] w10h10 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