26" x 32" or 32" x 26" Cube Core Eggcrate Return Air Grille w30h30 + Product Details Size -

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

75" width X 33

+ Product Details Size – 6"w X 6"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 26"h is the size for the duct opening measurement only

26" x 32" or 32" x 26" Cube Core Eggcrate Return Air Grille w30h30 + Product Details Size -+ Product Details Size 26" x 32" or 32" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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