12" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] 10" Round Duct Pipe + Product Details Size –

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

Crafted from solid stamped steel

actual front end outer dimensions are approximately 12 5/8" width X 24 5/8" height

actual front end outer dimensions are approximately 36 5/8" width X 28 5/8" height

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12" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] 10" Round Duct Pipe + Product Details Size –+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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