Transition Duct, For Nominal Duct Diameter 10 in, Material Steel, Material Thickness 26 ga, Overall Length 18 1/2 in, Overall Width 4 1/2 in, Shape Cap, Outlet Diameter 10 in, Overall Diameter 10 in, Overall Height 11 1/4 in, Compatible with Grainger Part Number 4TR56, 4TR57, 4TR58, 4TR59, 4TR60, 4TR61, 4TR62, 4TR63