Which is the right oxygen concentrator for the elderly at home

Home oxygen concentrator according to the use can be divided into health care type and medical type, the elderly must use medical grade. The so-called medical oxygen concentrator, that is, the flow rate per minute is greater than 3L, mainly 5 liters, 365 days a year, 24 hours a day continuous work, can stably produce oxygen concentration of not less than 90% of the oxygen, mainly used for the treatment of patients with chronic respiratory diseases.1. Daikin Home Oxygen Concentrator Daikin entered the Chinese market in 2012, is the best brand of desktop oxygen concentrator, there is no one. In recent years, Daikin Home Oxygen Concentrator has a very good reputation, mainly because of its leading technology, which is difficult for other brands to compete with.The new model launched in 2019 continues to strengthen Daikin's greatest strengths - mute, sleep, quiet, and activity. Daikin is also the only brand that has achieved the ultimate in after-sales service. Daikin has only one 5L oxygen concentrator, which is divided into a quiet version and a premium version. Noise control in 25-35 decibels, imported molecular sieve, site in Suzhou, commitment to three-year warranty.2. Omron oxygen concentrator was founded in 1933. Omron Group is a globally recognized manufacturer of automation control and electronic devices, mastering the world's leading core technology of sensing and control. The most famous medical instruments are blood pressure monitors, and its factory in China is in Dalian. Omron mainly manufactures sensors, blood pressure monitors and other precision instruments. Among foreign brands, medical oxygen generator is the weakest one, there is no 5L medical oxygen generator on sale. The commercially available products are 3L or 2L small flow models, with 1 year warranty for the whole machine and 3 years for the compressor. The noise is 65db, higher than other imported brands.