High flow capacity 2–10 LPM for critical patients Delivers 87%–96% medical-grade oxygen purity Built-in OSD® oxygen sensor for continuous monitoring Compact & lightweight (19 kg) – easy to move with wheels Low noise operation (~57 dB) for patient comfort Advanced safety alarms (low oxygen, power failure, high temperature, pressure) Durable USA-assembled unit designed for long continuous use Brand: Drive DeVilbiss Healthcare (USA) Warranty: 3 Years Manufacturer Warranty