14" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] Compatible with Duct 8" + Product Details Size -

+ Product Details Size - 8"w X 34"h is the size for the duct opening measurement only

and durable finish that resists scratches and maintains a clean

actual front end outer dimensions are approximately 34 5/8" width X 20 5/8" height

+ Product Details Size - 20"w X 14"h is the size for the duct opening measurement only

Simplified Installation: Our Butterfly Damper ensures easy setup

14" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] Compatible with Duct 8" + Product Details Size -+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 11. 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