1.How long is the lifespan of your machine?
Ans: We use imported CECA molecular sieve from France,and the lifespan is more than 10,000 hours.
2.What is the purity of your oxygen concentrator?And how can we identify?
Ans: Our machine is with low oxygen concentration alarm,which ensure that you breathe is a qualified medical oxygen .
When the purity is more than 82%,the purity light is green .
When the purity is in the range of 65% to 82%,the purity light is yellow,the alarm sound .
When the purity is below 65 %,the purity light is red,and the alarm will sound, LCD display shows"low purity".
3.What is the oxygen flow of your machine?
Ans: For 3L machine,the flow is 0-3L/min.And for 5L machine,the flow is 0-5L/min.
4. How long is for the warranty period of the machine?
Ans: 1 year,or 5,000 hours,which comes earlier.
5. What is the sound level of your machine?
Ans:We adopt multilayer noise design,and the sound level is less than 45dB.
If there is any other question pls contact us freely, we will reply you in 24 hours.