Durham Flammable safety cabinets are made of sturdy all welded 16 gauge double wall steel. 2-inches wide louvers support shelves, adjustable on 4-inches centers. 2-inches Deep leak proof base. Safely contains hazardous chemicals reducing the risk of fire. Improved security with recessed lockable paddle latch and 3 point locking system. Bunged air vents on each side of the cabinet allows for ventilation. Safety yellow powder coat finish. Measures 18-inches length by 43-inches width by 65-inches height.