60 Gallon, self-closing, Flammable Liquid Safety Cabinet is 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 baffle and cap. Cabinets have a high gloss powder coat finish with red trilingual warning, plus grounding attachment, 3-point latch system, and 2-in (5.1 cm) raised, leakproof door sill. Each shelf is adjustable on 3 in (7.6 cm