Justrite 1233V97EA #ad - Heavy 18 gauge galvanized steel, with electrostatically applied epoxy powder-coat finish, provides durability and chemical resistance. Justrite 08207 large steel drum funnel, funnels intended for use with flammables are fitted with a brass flame arrestor that absorbs and dissipates heat, preventing any external ignition source like sparks from power tools, 6in Arrestor, static electricity, or cigarettes from reaching the drum's flammable contents.