May I ask; Jianghang Home Oxygen Concentrator. zH~J21. has a bad smell when it is first turned on. Is this normal? Is it normal? Is it harmful to the body? Thank you!

The first situation: the taste of the nasal tube, nasal tube, then in the first use of the time will have an odor, so in the purchase of the oxygen concentrator sales staff will let the buyer in the use of the money in the deodorization, with vinegar and warm water 1:3 ratio for the nasal tube and the oxygen delivery tube of the cleaning.

The second situation: when the machine is used for the first time, there will be odor inside the machine, and this is a normal thing, because the machine is not opened and used after the factory, so if you encounter this situation, you should start the machine and work for a period of time before using it, in which case the odor will be reduced a lot of long term repeated use of the odor will be disappeared.

The third situation: the machine is really a bit of a problem, you can directly contact the sales staff to help solve.