Nasal high flow therapy (NHF) aka HFNC is recommended for several clinical applications among published clinical practice guidelines.
Most studies referenced by these guidelines used flows of ≥ 45 L/min, highlighting that your choice of flow rate really does matter.

Our latest NHF interface
Asymmetric interface.
Nasal high flow – enhanced.1
1. Tatkov S, et al. J AppI Physiol. 2023.
For high-flow therapy, you need a comfortable interface that stays in place to ensure continuity of treatment.
Setting up for a patient
*high-level disinfection
F&P, Airvo, Optiflow, AirSpiral and Asymmetric are trademarks of Fisher & Paykel Healthcare Limited. For patent information, see www.fphcare.com/ip