10" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Filter Grille this grille boasts a natural

this grille boasts a natural warmth and fine finish

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Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

Actual Filter Size – 11 3/4"w x 15 3/4" x 1"

actual front end outer dimensions are approximately 10 5/8" width X 12 5/8" height

10" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Filter Grille this grille boasts a natural+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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