Hart & Cooley® Baseboard Return Air Grille, 3-Way, Series: 674, 30x 8 in, 29-1/4 in Duct Width, 7-1/4 in Duct Height, 31-3/4 in Overall Width, 7/8 in Overall Depth, 327 to 653 cfm, 1.09 sq-ft, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic