Yuwell 7F-10 Medical Grade Oxygen Concentrator 10L The 7F-10 is a high-capacity oxygen concentrator with 10 LPM capacity. Full plastic outer shell makes it durable and safe. The angled control panel makes it very easy to use. It has multiple safety functions like power failure alarm, pressure relief valve, high & low pressure alarm, thermal protection etc., making it a very reliable unit.Technical Specifications:Power : AC 220V @ 50 Hz, 850VAOxygen flow rate : 0.5 – 10.0 LPMOxygen concentration : 95.5% - 87%Output pressure : 40 – 70 kPaOperating noise : < 60 dBWeight : 33kg