' Transport Drum, Head Type Closed Head, Volume Capacity 55 gal., Material Steel, UN Rating Liquid 1A1/Y1.8/300, Packing Group II and III of Hazardous Materials, Gauge 18, Color Black, Inside Dia. 22-1/2 In., Overall Height 34-7/8 In., Outside Dia. 23 In., Bung Hole Dia. 2 In. NPT x 3/4 In. Fittings, Interior Coating Epoxy Phenolic, Standards DOT 49 CFR '