10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille sidewall no exceptions

no exceptions

+ Product Details Size - 24"w X 12"h is the size for the duct opening measurement only

75" width X 17

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10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille sidewall no exceptions+ Product Details Size 10" x 30" or 30" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 31. 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