10"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Powder-Coated + Product Details Size -

+ Product Details Size - 30"w X 14"h X 2"d (for duct opening measurement only)

+ Product Details Size - 4"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 10"w X 18"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 20 5/8" width X 22 5/8" height -

10"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Powder-Coated + Product Details Size -+ Product Details Size 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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