10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] 10" Diameter Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 19 3/4" x 1"

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

75" width X 17

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 28" OR 28" x 26" duct opening (measured at the opening)

10"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 7.75"H] 10" Diameter Actual Filter Size – 33+ Product Details Size 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" width X 7. 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