first adopt four-grade filters in oxygen concentrator line
first adopt molecular sieve protector

  It can be used in the car and in the home ,so it is very portable.

  physical oxygen making,without adding any accessory.

  with low power and low noise,you only cost one degree electricity for three hour inhaling oxygen.

 Technical parameters

 output power:0.02-0.04mpa

  input power:310/340w

   oxygen purity:93%--95%