Compact design and very quiet operation - suitable for direct installation in the working environment for maximum convenience and reduced installation. Electronic controller ETMII Advanced cooling system - The deployment of the thermostatically controlled centrifugal fan reduces noise and saves energy. The large surface area coolers for the air and oil ensures cool operation and lower air outlet temperatures even at higher ambient temperatures. POLY-V belt drive system - Providing three times the service life of normal V belts with much greater drive efficiency improving ouput and saving power. IE3 High efficiency Motors - Allowing reduced energy consumption High quality air - The PLUS is available with on board refrigerated dryer (ES models) ensuring dry compressed air benefits your system. Long life and reliability - The PLUS benefits from state of the art manufacturing and over 50 years experience in the production of air compressors with most components designed and manufactured 'i