FM Approved. All welded double wall 18 gauge construction with 1 1/2 inch insulating air space. 2 inch leakproof sill to contain leaks. Lockable flush mounted handle with 2 keys. Doors have 3 point locking system and radius edges. Doors are double walled, 14 gauge outside and 18 gauge inside. 4 inch heavy duty welded hinges with brass pins. Twin 2 inch flame arrester vents. Adjustable leveling feet. Powder coated. Pesticide bifold safety cabinet 43 x 18 x 44