Oil lubricated single stage rotary screw technology 30-37kW (40-50HP) The Compressor to Exceed Your Demands Founded on slow-speed, 1800 rpm design principles the new Electra Saver II G2 40-50 hp compressors feature super-sized bearings and up to 40 percent larger airends than the competition. The larger airends, running at slower speeds, maximize efficiency and reduce wear and tear, while the permanent alignment of the airend and motor ensure maximum coupling and bearing life. 60Hz 204 to 251 cfm 40 - 50hp Direct-Gear Drive Enclosed or Un-Enclosed 68-78 dBA