14" X 8" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] w18h18 actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height

listed size +1

75"H – fits a 18" X 8" duct opening

actual front end outer dimensions are approximately 24 5/8" width X 32 5/8" height

R Value Rating of Insulation - R3

14" X 8" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] w18h18 actual front end outer dimensions+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 9. 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