14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Color_R-4.2 Yellow + Product Details Size -

+ Product Details Size - 22"w X 18"h is the size for the duct opening measurement only

making it a reliable choice for improving indoor air quality

+ Product Details Size – 20"w X 50"h is the size for the duct opening measurement only

+ Product Details Size - 10" X 10" is the size for the duct opening measurement only

14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] Color_R-4.2 Yellow + 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