28" x 32" or 32" x 28" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Size -

+ Product Details Size - 28"w X 10"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 16" in diameter

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

providing maximum flexibility

Designed for optimum performance

28" x 32" or 32" x 28" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Size -+ Product Details Size 28" x 32" or 32" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 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