In order to meet the energy conservation,environmental protection and customers demand, now we recommend AirHorse brand oil-free double screw blowers,which is high efficiency,low speed,low noise,can help you save energy up to 60% and get purer air. 01: High Reliability, 24 hours running 02: Screw type reduces energy cost by an average of 30% 03: Permanent Magnet synchronous Frequency technology offers extra energy saving 04: PLC control, remote operation, Multi-machine control supplied