Portable Medical 1-7L/min Adjustable Dedakj Oxygen Concentrator – Medical Oxygen Generator by MAIKONG Overview of the Portable Medical 1-7L/min Adjustable Oxygen Concentrator by MAIKONG 1-7L/min Adjustable Dedakj Oxygen Concentrator by MAIKONG CO., Ltd. is a highly efficient, easy-to-use device designed for both home and hospital use. This portable oxygen generator provides adjustable oxygen flow rates, ranging from 1L to 7L …