14"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Round Damper Ring + Product Details Size -

+ Product Details Size - 28"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 14 5/8" height

But they are also the most visible representation of you air system

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14"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Round Damper Ring + Product Details Size -+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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