Hart & Cooley® Baseboard Return Air Grille, 1-Piece, Series: 657, 12 x 8 in, 11-1/2 in Duct Width, 11-29/32 in Duct Height, 13-3/4 in Overall Width, 7/8 in Overall Depth, 20 deg Deflection, 1/3 in Blade Spacing, Steel, Bright White Enamel, Domestic