What are the top ten brands of household oxygen concentrators in 2014?

Ranking of the top ten brands of household oxygen concentrators?

The No. 1 Oxygen Elf Oxygen Concentrator: Oxygen Elf Oxygen Concentrator is currently the number one selling oxygen concentrator brand and is imported from the United States. UOP molecular sieve and Guangshun oil-free compressor are used to reduce the noise problem when the oxygen generator is used. Oxygen Genie has a rich product line of oxygen concentrators, including one-liter and two-liter machines, which can meet the needs of different hypoxic people.

Second place Kangjuren Oxygen Concentrator: Kangjuren Oxygen Concentrator fills the gap of home oxygen concentrators that can produce oxygen normally on plateaus. Among them, KJR-12F adopts the color of Tuhao Gold. Bright color and beautiful appearance. The entire product has been developed and tested strictly in the plateau environment and can be used normally in plateau areas with an oxygen concentration of over 90.