Hart & Cooley® Sidewall Register, 2-Way, Series: 682, 12 x 12 in, 11-7/16 in Duct Width, 11-5/8 in Duct Height, 13-3/4 in Overall Width, 1-5/8 in Overall Depth, 140 to 470 cfm, 0.47 sq-in, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic