Hart & Cooley by Duravent Return Air Grille, Series: 672, 16 in W x 25 in H, 15-1/2 in Duct Width, 24-29/32 in Duct Height, 26-3/4 in Overall Length, 17-3/4 in Overall Width, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic,