Oxygen concentrators

1. Fashionable appearance; 2. Lightest in weight; 3. Smallest in size; 4. Easy to move for light weight and wheels; 5. Psa technology, no need to add chemical materials; 6. High oxygen purity:�90%@3l; 7. High accuracy oxygen inside can indicate purity synchronously(for purity-monitoring type only). 8. Self-patented core components 9. Energy-saving and economical: more than 5 hour's oxygen inhalation just need 1 degree electricity.