Hart & Cooley by Duravent Return Air Grille, Horizontal, Series: 650, 12 in W x 6 in H, 11-1/2 in Duct Width, 5-29/32 in Duct Height, 7-3/4 in Overall Length, 13-3/4 in Overall Width, 20 deg Deflection, 1/3 in Blade Spacing, Steel, Bright White Enamel, Domestic,