30 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. Justrite 1 Shelf, 2 Door, Self Close, Flammable Liquid Cabinet, Yellow, 30 Gallon, Steel, 3010X | Justrite 1 Shelf, 2 Door, Self Close, Flammable Liquid Cabinet, Yellow, 30 Gallon, Steel, 3010X Cabinets are FM-Approved and meet NFPA Code 30 and OSHA requirements.1 cm) raised, leakproof door sill.