22" x 22" Cube Core Eggcrate Return Air Grille ceiling + Product Details Outer dimensions:

+ Product Details Outer dimensions: 11

1/4” - 6518 PSI

please note that the total outer dimensions of the grille measure 8" in diameter

and home improvement remodeling specialists in completing their masterpieces

actual front end outer dimensions are approximately 12 5/8" width X 22 5/8" height

22" x 22" Cube Core Eggcrate Return Air Grille ceiling + Product Details Outer dimensions:+ Product Details Size 22" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 75" X 23. 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 electric