12" x 36" or 36" x 12" Cube Core Eggcrate Return Air Grille White adds a touch of sophistication

adds a touch of sophistication to any room

Actual Front End Outer Dimensions Are 5

+ Product Details Size - 24"w X 22"h is the size for the duct opening measurement only

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

Its linear bar design maximizes ventilation

12" x 36" or 36" x 12" Cube Core Eggcrate Return Air Grille White adds a touch of sophistication+ Product Details Size 12" x 36" or 36" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 37. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing