In a nutshell, these are our top picks for the Cheapest Portable Oxygen Concentrator. | ❤【Adjustable Oxygen Concentration】 The continuous flow of air supply is adjustable from 1-7L/min. |❤【Molecular Sieve】High-efficiency lithium sieve, strong adsorption capacity, high oxygen production and strong stability. |❤ 【Compressor】Pure copper oil-free air two-cylinder compressor, low energy consumption, high power, low noise, fast heat dissipation. |❤【Low Noise & 2in1 Oxygen Inhalation Atomization】 The measured noise is as low as 42 dB, and the oxygen concentration is high; it is equipped with a dedicated interface for atomization, and oxygen atomization is performed at the same time. |❤【Intelligent Control】 IMD exquisite large color panel / adjustable flow rate / voice broadcast function / timer operation function / equipped with infrared remote control, making the operation more convenient. |
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