Buy it once, use it forever with our Lifetime Warranty - if you're not satisfied, we'll replace the cabinet or offer you a full refund FM Approved for the storage of flammables; also meets NFPA and OSHA specifications Fully MIG-welded 14- and 18-gauge steel construction is built for a lifetime of continuous use 14-gauge steel door faces are 56% thicker than competing cabinets Three-point, zinc latch ensures fail-safe, non-sparking door closure Recessed handle won't catch on passing traffic 4" bullet hinges feature self-lubricating, fully enclosed brass pins; won't trap the grime that causes premature hinge failure True double-wall construction with 1.5" of insulating air space adds fire protection 2" leakproof sump contains leaks, drips and spills Flame arrestor vents help prevent flashback ignition Full-width, welded shelf hangers offer maximum support and increase sidewall thickness