8" X 6" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"H X 7.75"H] w30h30 Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 15 3/4" x 1"

Actual Filter Size – 29 3/4"w x 9 3/4" x 1"

Performance – High diffusion induction rates result in rapid temperature and velocity equalization of the mixed air mass well above the zone of occupancy

actual front end outer dimensions are approximately 37

8" X 6" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 9.75"H X 7.75"H] w30h30 Actual Filter Size – 19+ 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