Description Flow rate 1-10 LPM, with an increment of 0.5 LPM High / Low voltage Alarm Sensors PSA (Pressure Swing Adsorption) Technology Inbuilt Nebulizer and Timer (10 MIN to 5 HOURS) Alarms for Low Oxygen purity, Low pressure, Power Outage and defective information is displayed on the screen HEPA filter and Bacteria filter from Italy. Five-stage filters keeps away most of impurity, bacteria and PM (particulate matter) 2.5 microns. Easy to store, transport and deliver Oxygen Purity : 93%(+3%,-3%) Dual bottle with dual Flow Meter Mechanical flow regulator with an interval of 0.5L/MIN. Big displacement compressor ensures 30% longer life span, suitable for 24 hours continue running with, service Interval Indicator Noise reduction technology <50db>