Reinforced double wall construction with 1 1/2 inch air space on sides, top, bottom., back and doors. Adjustable galvanized steel shelves hold 350 lbs. All cabinet have self-latching doors and three point key lock. Features 2 inch raised, leak-proof sill and 4 adjustable galvanized leveling legs. 2 inch vents with fire baffle and cap, and lead-free high gloss baked on powder finish.