Sure-Grip EX Safety Cabinets for Flammables hold either flammable or corrosive liquids. Made from 18-gauge double-wall construction, cabinet has an insulating air barrier. A yellow powder coat paint finish prohibits corrosion, too. The three-point lock has a fail-safe closing mechanism, too. Cabinets also have dual vents with built-in flame arresters, leveling feet and a 2" leakproof sill in the base to contain spills. Some units come with a self-closing fusible link-actuated door closing system that engages at 165°F. Thirty gallon units have one shelf; larger units have two.