24" X 12" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 25.75"W X 13.75"H] Color_R-4.2 Yellow Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

+ Product Details Size - 14"w X 28"h is the size for the duct opening measurement only

improves airflow

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

Experience enhanced indoor comfort with our 6" Butterfly Damper

24" X 12" [Duct Opening] 2-Way Horizontal Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 25.75"W X 13.75"H] Color_R-4.2 Yellow Actual Filter Size – 31+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" width X 13. 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