24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Grille flat stamped steel 75"H – fits a 12"

75"H – fits a 12" X 6" duct opening

+ Product Details Size – 30"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 30"h is the size for the duct opening measurement only

24" x 32" or 32" x 24" Cube Core Eggcrate Return Air Grille flat stamped steel 75"H – fits a 12"+ Product Details Size 24" x 32" or 32" x 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" X 33. 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