8" X 6" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"W X 7.75"H] 18" Diameter Operating temperature from -40°f to

Operating temperature from -40°f to +248°f [-40°c to +120°c]

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height -

with actual outer dimensions of 12

+ Product Details Size - The listed 6" diameter refers specifically to the size of the duct opening

angle them down for effective warmth distribution

8" X 6" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"W X 7.75"H] 18" Diameter Operating temperature from -40°f to+ Product Details Size 8"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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 Location