Hart & Cooley by Duravent Return Air Grille, Series: 672, 20 in W x 14 in H, 19-1/2 in Duct Width, 13-29/32 in Duct Height, 15-3/4 in Overall Length, 21-3/4 in Overall Width, 117 sq-in, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic,