Hart & Cooley 673M 12x12 703965 WHT RETURN AIR USES STD 1" FILTER NOT INCLUDED

Hart & Cooley by Duravent Return Air Filter Grille, Series: 673M, 12 in W x 12 in H, 11-15/16 in Duct Height, 1-5/8 in Overall Depth, 197 to 395 cfm, 0.66 sq-ft, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White Enamel, Domestic,