Product Advantage: 1) High efficiency and energy saving, up to 50%. 2) Closed loop constant pressure air feed. 3) Low dissipation, long life and low noise. 4) Automatic pressure control, constant air delivery 5) Smooth start-up and operation, no impact on electrical supply. 6) Rapid start-up, ensures fast delivery. 7) Exceptional protection systems ensure reliability 8) Less air storage required saving you sapce and money.