Made for flammable liquid storage, these cabinets feature 18 ga double-wall steel construction with 2" leak-proof bottom sumps, leveling feet, dual vents with flame arresters, ground connectors, and powder-coated finishes. They also come with U-Loc handles, cylinder locks, keys, and accept optional padlocks. Haz-Alert reflective warning labeling and SpillSlope galvanized steel shelving are standard too. Self-closing models use fusible link-actuated doors that shut at 165 degree celsius F. Meets OSHA and NFPA requirements. FM approved. Yellow. NOTE: The self-closing door style is now being required in states which follow the International Fire Code (IFC) or NFPA I Fire Code. Please contact your local AHJ for specific requirements in your area.