10"w X 10"h [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Compatible With Duct 8in + Product Details Size -

+ Product Details Size - 36"w X 10"h is the size for the duct opening measurement only

Constructed from sturdy 20-gauge steel

Looks Like It Was Just Waxed

+ Product Details Size - 14"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

10"w X 10"h [Duct Opening] 4-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 11.75"W X 11.75"H] Compatible With Duct 8in + Product Details Size -+ 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