The cabinets feature double-wall construction of heavy 18 ga. welded steel with 1-1/2" of air space and a 2" leak-proof sill at the bottom. Cabinet includes 4 adjustable leveling feet, 3-point door latch with key and built-in connector for grounding. Easy to close, self-latching doors offer maximum protection under fire conditions. Complete with capped vents, the durable powder paint finish provides excellent chemical resistance and conforms to OSHA and NFPA 30 regulations.