Hart & Cooley® Return Air Grille, Series: 672, 24 in W x 10 in H, 23-1/2 in Duct Width, 9-29/32 in Duct Height, 11-3/4 in Overall Length, 25-3/4 in Overall Width, 160 sq-in, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic