New 90% hospital use medical portable oxygen concentrator generator home with adjustable 1-5LPM adjustable oxygen purity

Description

1.Adjustable Oxygen Flow 1L/min--5L/min Oxygen purity 30percent--90percent 2. standard shipping by FedEx DHL UPS, fast delivery to you. 3.Intelligent control is convenient to use 4.Portable to carry, smart light body only 6KG 5.110V-240V voltage, Can be used all over the world 6.Noice is less than 35db