At less than 5 lb (2.3 kg), FreeStyle by AirSep is the only truly wearable portable oxygen concentrator on the market. It is tailored specifically for those patients who know no boundaries. FreeStyle Portable Oxygen Concentrators capture the heart of what it means to live the good life without limitation. As the most lightweight and quietest portable oxygen concentrator available anywhere, FreeStyle offers the same weight advantage of the smallest contents-based systems, yet provides an unlimited supply of oxygen for an enjoyable travel experience with O2. It's oxygen freedom!

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