T-25T Bi-level Positive Airway Pressure devices with S/T mode intend to provide non-invasive ventilation for Obstructive Sleep Apnea patients.
| Model | Working Mode | Pressure (cmH2O) | Screen Siz(inch) |
| T-20T | CPAP, S, T, S/T | 4 - 20 | 2.4 |
| T-25T | 4 - 25 | 3.5 | |
| T-30T | 4 - 30 | 3.5 | |
| U-20T | 4 - 20 | 2.4 |