These specialized accessories are designed for use with the MDPro MicroCap 9 handheld capnograph. The T3 and T4 water filters provide critical moisture protection to the internal sensor, ensuring accurate CO2 measurements even in high-humidity clinical settings. The sampling lines facilitate high-fidelity gas collection for both intubated and non-intubated patients. By utilizing these genuine MDPro components, healthcare providers maintain the integrity of real-time capnography waveforms and long-term diagnostic monitoring.