12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w20h20 75"H – fits a 14"

75"H – fits a 14" X 12" duct opening

+ Product Details Size - 26"w X 18"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 38 5/8" height -

12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w20h20 75"H – fits a 14"+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 13. 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