14" X 12" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 13.75"H] Compatible with Duct 10" + Product Details Size -

+ Product Details Size - 26"w X 14"h is the size for the duct opening measurement only

+ Product Spec Sheet Lay-In 3 Coned Spec Sheet

+ Product Details Size – 26"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 34 5/8" height

+ Product Details Size – 24"w X 20"h is the size for the duct opening measurement only

14" X 12" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 13.75"H] Compatible with Duct 10" + Product Details Size -+ Product Details Size 14"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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