12" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] Color_Anodized Aluminum + Product Details Size –

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height -

+ Product Details Size - 30"w X 24"h X 2"d (for duct opening measurement only)

+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

12" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] Color_Anodized Aluminum + Product Details Size –+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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