28" x 34" or 34" x 28" Cube Core Eggcrate Return Air Grille w26h26 please note that the total

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

Made of high quality aluminum that will never rust

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+ Product Details Size - 32"w X 28"h is the size for the duct opening measurement only

28" x 34" or 34" x 28" Cube Core Eggcrate Return Air Grille w26h26 please note that the total+ Product Details Size 28" x 34" or 34" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 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