EverFlo 5 LPM Oxygen Concentrator

Sound Level: 40 dBA typical Input Voltage: 120 VAC ( /- 10%) Input Frequency: 60 Hz Average Power Consumption: 350 watts Oxygen Concentration* (at 5 LPM): 93% ( /- 3%) Liter Flow: 0.5-5 liters per minute Weight: 31 lbs (14 kg) Dimensions: 23 in (584 mm) H, 15 in (381 mm) W, 9.5 in (241 mm) D Operating Temperature: 55°F to 90°F (12°C to 32°C) Storage/Transport Humidity: -30°F to 160°F (-34°C to 71°C) up to 95% relative humidity Operating Humidity: Up to 95% relative humidity Outlet Pressure: 5.5 PSI Operating Altitude: 0 to 7,500 ft (0 to 2,286 m)