14" X 8" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] 6in diameter + Product Details Size -

+ Product Details Size - 12"w X 12"h X 2"d (for duct opening measurement only)

Actual Filter Size – 7 3/4"w x 23 3/4" x 1"

ISO Supply Diffusers perform efficiently with air loadings of 6 to 30 air changes per hour (based on 10 ft

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only

14" X 8" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 9.75"H] 6in diameter + Product Details Size -+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 9. 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