12"w X 6"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Copper Coil-Insulated Line Set + Product Details Size –

+ Product Details Size – 22"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 34"h is the size for the duct opening measurement only

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+ Product Details Size – 25"w X 28"h is the size for the duct opening measurement only

12"w X 6"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Copper Coil-Insulated Line Set + Product Details Size –+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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