Return Air Grilles, Overall Depth 1/2 in, Overall Height 47 3/4 in, Overall Width 23 3/4 in, Maximum Opening Height 48 in, Maximum Opening Width 24 in, Grille Color White, Grille Material Aluminum, Material Aluminum, Bar Spacing 1/2 in, Face Design Egg Crate, Airflow Directions Four-Way, Mounting Style Lay-In, Blade Angle 90 Degrees, Finish Powder Coated, Product Type Eggcrate Cubed Core, Package Quantity 5. This item has been restricted from sale in the following state (s): []