Portable Oxygen Concentrator：The Best Choice for Outdoor

Longfian portable oxygen concentrator is designed and built for outdoor oxygen inhalation for those with respiratory diseases who wish to continue traveling,working, and socializing as usual.Compact, stylish and convenient to carry out.Longfian portable oxygen concentrator is for people on the move.

Longfian portable oxygen concentrator for patients or the elder with respiratory diseases short-time use outdoor. It can used in car, powered by vehicle DC 12V, use in car freely.With Longfian portable oxygen concentrator ,you can travel in high altitude,no need to worry about altitude sickness.It is a very good choice when you use oxygen outside.