16" X 16" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 17.75"H] w25h25 And The Cooler Air From

And The Cooler Air From Outside WIll Flow In From The Bottom

actual front end outer dimensions are 16" width X 10" height

+ Product Details Size – 26"w X 12"h is the size for the duct opening measurement only

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Actual Filter Size – 15 3/4"w x 31 3/4" x 1"

16" X 16" [Duct Opening] 3-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 17.75"W X 17.75"H] w25h25 And The Cooler Air From+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 17. 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