ELBA family has been designed for large supermarkets and hypermarkets having in mind efficiency and reliability. Elba is the answer to environmental concerns as it combines low energy consumption and the use of the natural refrigerant CO2.It is also a protection of investment against cost increase and unavailability of synthetic refrigerants. While the E4N models are designed for medium temperature application only, the E4N-B are the booster version which combines MT and LT refrigeration.