14"w X 8"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] 18" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are 31

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 10" or 10" x 12" duct opening (measured at the opening)

this air supply register is ideal for sidewall and ceiling applications

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Screws Included

14"w X 8"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] 18" Round Duct Pipe 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