Product Name: Hospital Good Quality 5 Liter Oxygen Concentrator Model NO.: L5 Max. Flow Rate: 1-5L/Min Running Noise: <48 dB Oxygen Density: >90% (V/V) Power Consumption: <320 Va Continuous Sound Level: Less Than 60dB Input Power: <=320 Va Continuous Minimum Operating Time: 30mins Trademark: Poweam Transport Package: 1 PCS/Carton Specification: ISO, CE Origin: China HS Code: 90189090 Product Description Tech spec:Max. Flow rate: 1-5L/minOxygen Density: ≥ 90% (V/V)Running Noise : ≤ 48 dBDimension: 445x372x680 mmPower consumption: ≤ 320 VA ContinuousWorking Time: 10,000 hoursFlow range1-5L/minOxygen Concentrator≥ 90% (V/V)Maximum Outlet Pressure62Kpa +/-4.5Kpa (8.99psi+/-0.65psi)Pressure ReliefMechanism Operational at250Kpa+/-25KpaAltitudeUp to 1230meters above sea level without degradation of concentration levelsFrom 1230 meters (4000 ft) to 4000 meters (13129ft) below 90% efficiencySound Levelless than 60dBPower SupplyAC110/220V, 50/60HzInput Power≤ 320 VA ContinuousMinimum Operating Time30mins