Eagle's 4 Gallon,Bench Top Safety Cabinet is constructed of 18-gauge steel. The sides, top, bottom, and doors are double-walled with a 1 1/2" air space between walls. Includes two vents (each have 2" threaded fittings and fire baffle and cap). Standard Flammable Liquid Safety Cabinets come in yellow high gloss powder finish with red warning, plus grounding attachment, 3-point latch system, and 2" raised, leakproof door sill. Each shelf is adjustable, supported by 4 brackets, and can support 350 pounds. (All Eagle metal cabinets meet NFPA Code 30 and OSHA requirements).