12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w24h24 + Product Details Size -

+ Product Details Size - 6" X 6" is the size for the duct opening measurement only

+ Product Description When it's time to upgrade your HVAC Vents in your house

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height

1/4” - 6518 PSI

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

12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w24h24 + Product Details Size -+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 13. 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