Treated tubular steel bearing structure, AISI 304 stainless steel interior, ventilated refrigeration with automatic reverse-cycle hot gas evaporator defrost, anti-condensation heated glass superstructure with a bottom-hinged front window, aluminium LED light fitting, self-rolling shutter or plexiglass sliding doors for operator’s access, electronic control panel with a thermostat and a digital thermometer, 230V single-phase condenser.