14" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] 14" Round Duct Pipe improves airflow

improves airflow

+ Product Details Size – 30"w X 16"h is the size for the duct opening measurement only

For 8" Round Duct Opening - Spiral or Flex

+ Product Details Size – 25"w X 36"h is the size for the duct opening measurement only

Design – These are specially sized to fit into all drop ceilings

14" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 11.75"H] 14" Round Duct Pipe improves airflow+ Product Details Size 14"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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