OXYGEN CONCENTRATOR Instrument Classification: Class II Capacity: 1-7L/min (Adjustable flow rate) Oxygen purity. : 93% +/- 3% (High O2 Purity) Max recommend flow rate. : 5LPM Outlet pressure : 20kPa ~ 70kPa Nebulizer function : Yes *With high quality molecular sieve Operation mode: Large SMART TOUCH SCREEN LCD Display, (Present working time, total working time, presetting time, purity data, flow rate data Alarm: Filter-Clean reminder, built-in power failure alarm, compressor overheating stop alarm Working: 48 hours continuous Oxygen Supply Net Weight: 6.5 Kg Noise :