12"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Fixed Blades with Damper actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 18 5/8" height

Crafted from robust 20-gauge steel

actual front end outer dimensions are approximately 20 5/8" width X 36 5/8" height

Refrigerant - 1/2" White Insulation - 50' Long

12"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] Fixed Blades with Damper actual front end outer dimensions+ 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