Hart & Cooley® Floor Register, 2-Way, Series: 421, 6 x 14 in, 13-5/8 in Duct Width, 5-1/2 in Duct Height, 7-1/2 in Overall Length, 15-1/2 in Overall Width, 56 sq-in Effective Area, 1/2 in Blade Spacing, Steel, Golden Sand Enamel, Domestic