portable PSA 3L oxygen concentrator

oxygen concentrator,oxygen generator, portable oxygen concentrator oxygen generator: 40% to 70% table oxygen outlet,easy to operate,:80W can be used in car, with a carry bag. with new motor from taiwan, long working time. Air flow volume: 1 to 3L/min Oxygen concentration:0.5L 80%±3% 1L 70%±3% 2L 60%±3% 3L 40%±3% Power: 70W averageNoise: <43dB Voltage: 12V DCDimensions: Product: Width: 207mm Length/Depth: 133mm Height: 338 mmCan be used in a car though the connectorThe working time settingAdjustable outflowHigh oxygen concentrationlight machine, easy to carry by bagwith new motor from taiwan