The Invacare® Perfecto2 oxygen concentrator is an economical addition to the premium Invacare stationary concentrator line. This 5 liter concentrator is small, quiet and lightweight and comes standard with the Invacare® SensO2® oxygen sensor. The Perfecto2 unit incorporates many of the best features of the Invacare® Perfecto2™ concentrator, including the contemporary external design and color of the patient's preference. Characteristics Self-diagnostic electronics minimize troubleshooting time. Handle at the top for more freedom of movement. Batteryless power failure alarm, compressor 35 psi pressure relief valve and low flow alarm. Benefits for the provider Rugged design comes standard with Invacare® SensO2® oxygen monitor to simplify preventive maintenance schedules and reduce costs. All Perfecto2 stationary concentrators have a HomeFill system port for inventory flexibility. Patient-accessible reset button helps minimize emergency calls. Patient benefits User-friendly design with easy-to-see control panel, humidifier bottle holder and filter access. A low noise level and a neutral color fit perfectly in any home environment. Reliable oxygen concentrator provides unrestricted, worry-free oxygen supply. Free starter kit