14" X 10" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] w14h14 With HVAC Premium you get

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actual front end outer dimensions are approximately 32 5/8" width X 18 5/8" height -

+ Product Details Size - 26"w X 18"h is the size for the duct opening measurement only

14" X 10" [Duct Opening] 2-Way Vertical Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] w14h14 With HVAC Premium you get+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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