Philips Respironics Millennium M10 - OC Review - Oxygen Times
UltraFill Oxygen Filling Station. Millennium M10 has a separate UltraFill connection port for connecting UltraFill Oxygen filling station. With this filling station, oxygen cylinders of upto 3000 psi can be filled when connected to the concentrator. This makes it a good option for patients who require portable cylinders for outdoors.