12"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] rg1010 Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 31 3/4" x 1"

ensuring it fits most standard thermostat models

[Outer Dimensions: 16

Actual Filter Size – 33 3/4"w x 13 3/4" x 1"

+ Product Details Size - 16"w X 32"h X 2"d (for duct opening measurement only)

12"w X 6"h [Duct Opening] 2-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] rg1010 Actual Filter Size – 25+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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