Eagle 55 Gallon, self-closing, Acid & Corrosive Vertical drum Storage Safety Cabinet, can safely contain a 55-gallon drum. The cabinet features a convenient half shelf for additional storage space for accessories or containers and drum supports to keep drums elevated off cabinet sump. Constructed of 18-gauge (1 mm) steel, the sides, top, bottom, and doors are double-walled with a 1-1/2 in (3.8 cm) air space between walls. Includes two vents, each have 2 in (5.1 cm) threaded fittings and a fire b