CABINET MEETS OR EXCEEDS THE NFPA FLAMMABLE LIQUID CODE #30 AND THE OSHA STANDARD 1910.106 FOR STORAGE OF CLASS I II AND III LIQUIDS. FM APPROVED. ALL-WELDED CONSTRUCTION PROVIDES ADDITIONAL STRENGTH AND 18 GAUGE CABINET WITH 14 GAUGE DOORS OFFERS ADDITIONAL FIRE PROTECTION. THE DOUBLE-WALLED DESIGN OF THESE FLAMMABLE CABINETS ALLOWS 1-1/2"" INSULATING AIR SPACE AND DUAL 2"" AIR VENTS THAT CONNECT TO EXHAUST SYSTEM TO MAINTAIN SAFE TEMPERATURES. BUILT-IN GROUNDING CONNECTOR AND LEVELING FEET. 350 LB. CAPACITY SHELVES ADJUST EASILY ON 2-1/2"" CENTERS.