14" X 14" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 15.75"H] 8" Diameter display === '') { dd

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Filter Size - 11

+ Product Details Size – 30"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 20"h is the size for the duct opening measurement only

Airflow – Easy unrestricted airflow for your HVAC system

14" X 14" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 15.75"H] 8" Diameter display === '') { dd+ Product Details Size 14"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 15. 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