10"w X 8"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 9.75"H] Aluminum Adjustable Curved Blade Just run your finger along

Just run your finger along the edge of the top plate and you will find a smooth finished surface

ensuring even air distribution throughout your space

Actual Filter Size – 23 3/4"w x 15 3/4" x 1"

but you will appreciate the benefits over the period of time

our Butterfly Damper simplifies the process of managing airflow

10"w X 8"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 9.75"H] Aluminum Adjustable Curved Blade Just run your finger along+ Product Details Size 10"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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