Hart & Cooley by Duravent Return Air Grille, Horizontal, Series: 650, 16 in W x 8 in H, 15-1/2 in Duct Width, 7-29/32 in Duct Height, 9-3/4 in Overall Length, 17-3/4 in Overall Width, 20 deg Deflection, 1/3 in Blade Spacing, Steel, Bright White Enamel, Domestic,