Hart & Cooley® Return Air Grille, Series: RH45, 14 x 14 in Size, 13-1/2 in Duct Width, 13-1/2 in Duct Height, 15-3/4 in Overall Width, 1 in Overall Depth, Fixed Blade Grate, 45 deg Deflection Angle, 3/4 in Blade Spacing, Aluminum, White Painted, Domestic