10" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Outdoor Vent Covers Design – Heavy gauge steel

Design – Heavy gauge steel

+ How To Measure A Round Vent Overall Size:

+ Product Details Size – 28"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 28"h is the size for the duct opening measurement only

10" X 10" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Outdoor Vent Covers Design – Heavy gauge steel+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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