3/4" Novaply, plastic laminated. Full width shelves, 4 each. Garments are bathed in Class 100 (ISO 5) air. 3/8" plexiglass door, overlapping closure and chrome plated hinges. Leg levelers. Foam door gasketing. HEPA filters 99.99% efficient at 0.3 microns and larger. Prefilters 35% efficient ASHRAE. 120V 1 phase 60 HZ, high capacity forward curve blowers, direct drive motors. 220V 1 phase, ULPA filters 99,9999% efficient at 0.12 microns, UV lighting or Cold Rolled Steel construction.