12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w24h24 Carefully shrink wrapped with cardboard

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

+ Product Description When it's time to upgrade your HVAC Vents in your house

+ Product Details Size - 8"w X 28"h is the size for the duct opening measurement only

& EN 13180 standards

+ Product Details Size – 28"w X 16"h is the size for the duct opening measurement only

12"w X 12"h [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 13.75"H] w24h24 Carefully shrink wrapped with cardboard+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" width X 13. 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