Rogers KNW Series Powered by Kobelco is designed and constructed to exacting quality standards resulting in long operating lives, minimum maintenance and low operating costs. The KNW series is designed, manufactured, assembled and tested in the United States and provides completely oil-free air. The Healthcare Facility Package meets the requirements of NFPA99 for use as a medical air compressor.  KNW Series compressors are preferred by hospitals and laboratories worldwide due to their low maintenance costs, energy efficiency, low sound level, dependable and vibration free operation.