12"w X 8"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 9.75"H] 2-Way Deflection Crafted from high-quality aluminum

Crafted from high-quality aluminum

+ Product Details Size – 10" x 28" or 28" x 10" is the size for the duct opening measurement only

The integrated eight-tumbler lock system

+ Product Details Size – 10" X 4" is the size for the duct opening (floor/vent hole) measurement only

12"w X 8"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 9.75"H] 2-Way Deflection Crafted from high-quality aluminum+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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