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] 3-Way or 4-Way +How To Measure A Grille

+How To Measure A Grille Overall Size:

5/8" - 2579 PSI

[Outer Dimensions: 50

Actual Filter Size – 31 3/4"w x 29 3/4" x 1"

+ Product Details Size – 12" x 12" 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] 3-Way or 4-Way +How To Measure A Grille+ 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