15811 / 7 Ft Nasal Pressure EtCO2 Capnography Monitoring Cannula, Child (Box/25) SleepSense Pediatric Nasal Pressure + Capnography Monitoring Cannulas are designed with dual lumens, suitable for capnography and pressure monitoring.  SleepSense cannulas are soft, flexible and specifically designed for sleep studies. Dual lumens for pressure & EtCO2 Male Luer connector