Bodies and doors fabricated from 14 gauge steel. Continuously plasma welded seams. Increased tub opening for better access. Concealed hinges. Doors are interchangeable and easily removable. Grounding provisions provided. 1/4-turn semi-flush oil tight latches are supplied to hold door securely closed. Print pocket is provided. Doors are sealed with poured-in-place polyurethane gasket. Mounting holes in rear of enclosure. Studs for mounting optional back panel (the Ultimate back panels have increased in size to accommodate larger foot-print installations.