New Pig drum funnel flame arrestor for use with steel drum funnels. Spark-snuffing insert makes it safer to funnel flammable liquids. 6-inches mesh tube extinguishes sparks and flames. Brass composition is non-corrosive and chemical resistant. FM approved for use in temporary drum fills. Composition: fitting - brass bar stock - alloy 360; body - 0. 040-inches brass; (perforated . 045-inches holes on . 066-inches rows); bottom - 0. 04-inches brass.