powerex utilizes cutting edge compressor technology to provide the most advanced oilless reciprocating air compressors in the industry. the powerex oilless reciprocating compressor is availab le in single and two stage models (depending on the horsepower). continuously lubricated, sealed bearings provide oil-free conmpressed air and long compressor life. the onboard fan, finned flywheel and temperature reducing composite piston created lower operating temperatures.