14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] w14h14 The total outer size of

The total outer size of this grille is the listed size plus 2 and 5/8"

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

+ Product Details Size – 16"w X 12"h is the size for the duct opening measurement only

Actual Filter Size – 25 3/4"w x 21 3/4" x 1"

14"w X 6"h [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 15.75"W X 7.75"H] w14h14 The total outer size of+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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