If choosing an oxygen concentrator, how many liters of oxygen concentrator are suitable for household use?

In recent years, with the increasing popularity of oxygen concentrators and home oxygen therapy, how to choose an oxygen concentrator? Especially how to choose between 3L and 5L machines has become a new issue facing the public.

Oxygen therapy and the general public

Oxygen therapy is actually an important means of preventing or treating hypoxia outside the hospital, but not everyone is suitable for long-term oxygen therapy, and the more oxygen inhaled, the better.

For healthy individuals, not following medical advice to self administer high flow oxygen therapy may lead to "oxygen poisoning". For patients with chronic obstructive pulmonary disease, asthma, tracheitis, and other diseases, long-term oxygen therapy is beneficial in delaying the progression of the disease, improving exercise endurance and quality of life, and effectively improving the survival rate of patients with chronic obstructive pulmonary disease.