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 Actual Filter Size – 11

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

+ Product Details Size – 10"w X 6"h is the size for the duct opening measurement only

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

+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 10"w X 10"h is the size for the duct opening measurement only

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 Actual Filter Size – 11+ 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