10"w X 4"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 5.75"H] Color_Anodized Aluminum + Product Details Size –

+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 16"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 12 5/8" height

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height -

Built-In Locking System – Comes with a permanently attached eight-tumbler lock and a supplied key for added security

10"w X 4"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 5.75"H] Color_Anodized Aluminum + Product Details Size –+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 5. 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