30" x 32" or 32" x 30" Cube Core Eggcrate Return Air Grille fixed bar + Product Details Size -

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

it's built to last and will never rust

Measuring 3" in diameter for the duct opening

it's perfect for moisture-prone areas like bathrooms and basements

30" x 32" or 32" x 30" Cube Core Eggcrate Return Air Grille fixed bar + Product Details Size -+ Product Details Size 30" x 32" or 32" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 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