see also: [[Non-invasive ventilation|NIV]] see: [RCH nursing - oxygen delivery](https://www.rch.org.au/rchcpg/hospital_clinical_guideline_index/Oxygen_delivery/), [Open Critical Care - oxygen delivery devices overview](https://opencriticalcare.org/encyclopedia/overview-of-oxygen-delivery-devices/) | Device | flow rate L/m | FiO2 | | ------------- | ------------- | ----------------- | | Nasal cannula | 1 - 4 | 0.24 - 0.30 | | Hudson mask | 5 - 10 | 0.3 - 0.5 | | NRB | 10 - 15 | 0.5 - 0.85 (~0.7) | | HFNC | 10 - 60 | 0.23 - 1.0 |