Hart & Cooley® Return Air Grille, Series: 672, 10 in W x 6 in H, 9-1/2 in Duct Width, 5-29/32 in Duct Height, 7-3/4 in Overall Length, 11-3/4 in Overall Width, 38 sq-in, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic