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] w32h32 Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 5 3/4" x 1"

designed for superior airflow control and noise-free operation

allow you to customize airflow direction with ease

Universal Fit – Measures 3-7/8" wide x 3-1/2" high x 3" deep

High Quality – Solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

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] w32h32 Actual Filter Size – 13+ 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