【INTRODUCTION】 The EW-20B oxygen generator,adoptsthe international advanced technology of the oxygen permeab membrane that make oxygen continuously from the air. A feature of the machine is small in size, fast in startup,casual in using,energy saving and low consuming, clean and green, safe andreliable,long service time and so on. 【Name 】Oxygen making machine 【Model】EW-20B Power:＜15W Weight : 0.6Kg Size :160×115×50mm Air Pressure :50KPa～106KPa Environmental Temperature :5℃～40℃ Power Voltage :DC 12V Flow :1L/ min Oxygen Concentration :29%±1 Noise :45dB(A) 【Main parts 】be composed by host, attachments(two masks, one headset type oxygen tube, one nose clip type oxygen tube, one battery).
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