Fig. 3From: Comparison of aerosol delivery across combinations of drug delivery interfaces with and without concurrent high-flow nasal therapya A facemask, positioned on an adult head model, was used with a jet nebulizer and was connected to a breathing simulator via a collecting filter, with and without concurrent HFNT. b A mouthpiece was used with a JN and was connected to a breathing simulator via a collecting filter, with and without concurrent HFNTBack to article page