Wall cabinets designed for display of foodstuff requiring continuous refrigeration, suitable for use in the self-service retail shopping outlets. Designed to work as series of refrigerating shelving units coupled together and powered by the external cooling unit, or alternatively as separate 1,5 m or 2 m long modules, powered internally. All are insulated with polyurethane and defrost automatically (optionally may be fitted out with a drip evaporator). Provided with a night screen, slanted shelves. May be customized with meat hooks.