Double-wall construction with 1-1/2" insulating air space, 18-gauge steel, welded for strength, long life and greater fire protection. Three-point, self-latching, easy close doors with double key set. 2" leak-proof sill to capture spills. High visibility trilingual Haz-Alert reflective warning lablels for high visibility in fire or power outage. Dual 2" vents with flame arresters. Spill-catcher shelves adjustable on 3" centers. Durable lead-free powder paint finish, inside-and-out, for maximum chemical resistance. Four adjustable leveling feet provide a wobble-free base. OSHA compliant, meets NFPA code 30 and are independently tested and approved by FM.