Description
- 【Long-term Warranty】 It offer 30 days free return and exchange, one year warranty. So you can buy our machine with confidence 【Oxygen Level Adjustable】1-7L/Min for adjustable； HIGH PURITY】 90%±3 Purity when flow setting in 1L/min 【Easy To Use】All functions can be operated with a remote controller and are easy to use. 【Ultra Quiet and Timing Function】The noise is lower than 45dB(Sleeping mode)
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