14"w X 8"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] Material_Steel 75"H – fits a 12"

75"H – fits a 12" X 10" duct opening

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 13

Actual Filter Size – 7 3/4"w x 33 3/4" x 1"

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14"w X 8"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] Material_Steel 75"H – fits a 12"+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 9. 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