10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Compatible with Duct 8" + Product Details Size -

+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 12" x 36" or 36" x 12" is the size for the duct opening measurement only

Design – Unrestricted airflow For Your HVAC system - noise free components - no vibrating louvers etc

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10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] Compatible with Duct 8" + Product Details Size -+ Product Details Size 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 7. 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