AirSep Focus is the Smallest and Lightest Portable Oxygen Concentrator (POC) in the world available today. Being the smallest, it is usually referred as Focus Miniature in the POC market. AirSep Focus is the Smallest Oxygen concentrator. Check out the Dimensions: 6.4 in. high x 4.8 in. wide x 2.5 in. deep (16.4 cm high x […]