Corrosive storage cabinets are made of 18-gauge steel.They feature double-wall construction, dual vents, grounding wire connections, reinforced spill catcher shelves, leak-proof sills, three point latching doors and self leveling feet. Spill catcher trays are included, they are formed of virtually chemically inert high-density polyethylene and are fitted onto the shelves and floor. These trays can be easily removed and cleaned as necessary. For Acids such as Nitric s, Dichloride's and Phenols Justrite's laminated cabinets are recommended.