12" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] w30h30 this grille seamlessly drops into

this grille seamlessly drops into the designated place

Actual Filter Size – 21 3/4"w x 23 3/4" x 1"

order a 20x14 grille

Effortless Integration: Crafted for easy connection to supply grilles of drop ceiling T-Bar vent covers

+ Product Details Size – 14"w X 12"h is the size for the duct opening measurement only

12" X 10" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 11.75"H] w30h30 this grille seamlessly drops into+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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