Traditional Culture Encyclopedia - Weather forecast - What oxygen generator should people with bad lungs use in foggy weather?

What oxygen generator should people with bad lungs use in foggy weather?

It is best to use a medical oxygen generator with HEPA filtration technology. It can filter particles, floating dust and bacteria above PM0.3. You can search Baidu. If you have lung diseases, it is best to use a 5-liter oxygen generator. You can learn how to choose an oxygenator by going to the oxygenator 999.