10"w X 10"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Ceiling Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 33 3/4" x 1"

+ Product Details Size - 24"w X 28"h X 2"d (for duct opening measurement only)

+ Product Details Size - 10"w X 12"h is the size for the duct opening measurement only

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To Maximize Ventilation Results

10"w X 10"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Ceiling Actual Filter Size – 27+ 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