The Nirvana Oil-Free air compressor, with a matching standard variable speed inverter and HYBRID PERMANENT MAGNETTM MOTOR coupled with a time-proven, oil-free, compression module, represents a stunning advance in compressor technology. The Nirvana Oil-Free rotary compressor provides unparalleled energy efficiency at all speeds and offers superb reliability. There are no motor bearings, pulleys, belts, couplings or motor shaft seals to wear out, leak or need replacing. Nirvana will lower your operating costs with its dynamic efficiency. Nirvana Oil-Free offers truly transcendent technology.