SOLID-10MD is a dual(double) flow O2 Concentrator with two oxygen outlets, two humidifiers and two flow control meters. It can provide total 10liter for 2 users to do oxygen therapy at the same machine at the same time. Look over the demand for this kind of machine in past 10 years, 90% of the demand is from government tenders, bids, etc. People would also call it as double flow O2 Concentrator, or tender O2 Concentrator. This double flow O2 Concentrator can meet the basic requirements of most dual flow O2 Concentrator tenders. If there is a special requirement, the machine can be customized to meet the special specifications.