8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille w25h25 or commercial environments

or commercial environments

width: 100%

+ Product Details Size - 25"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 20"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 12"h X 2"d (for duct opening measurement only)

8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille w25h25 or commercial environments+ Product Details Size 8" x 34" or 34" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 35. 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