OptiflowTM nasal high flow therapy

Proven respiratory support
 What is NHF?     Who is NHF for? 

While many terms (e.g. HFNC, high flow oxygen) describe nasal high flow therapy, one stands out. Optiflow nasal high flow therapy. 

Optiflow nasal high flow delivers respiratory support to your patients, by providing heated, humidified air and oxygen at flow rates up to 70 L/min through the unique Optiflow nasal cannula and delivered by a device such as the Airvo 2 nasal high flow system.  

Accelerate your understanding of high flow therapy 

If you’re new to high flow therapy, training others, or want a quick refresher, follow this learning plan to accelerate your knowledge.


Search this table - evidence-based guidelines for NHF, organised by patient population.

Explore our FAQs - your therapy questions answered. 

Nasal high flow interface

Jump to: product codes


Optiflow+ Nasal Cannula


Evaqua™ technology is designed to reduce the formation of mobile condensate.


The three-way connector fits all F&P circuits, Airvoand F&P 850 systems. 


An adjustable head strap provides a secure, soft fit. 


The head strap clip removes the need for a lanyard.


Soft cheek pads are designed to add stability and reduce pressure on the face.


Contoured prongs for a softer fit.

Other Optiflow high flow interface options

Optiflow 3S
nasal cannula interface

57% more stable*, less pressure*, side swappable.

Optiflow+ Tracheostomy interface

Optimal humidification for a bypassed airway.

Optiflow Junior 2 nasal cannula interface series

Designed for neonates, infants, and children.

Fitting guides and instructions

Learn how to effectively fit the Optiflow™+ nasal cannula by downloading the Fitting Guide and
watching the instructional video.


Optiflow+ Fitting video

Fitting video 
(click on the image above to play)

Part No. Description Quantity
OPT942 Optiflow+ Nasal Cannula (small) 20 per box
OPT944 Optiflow+ Nasal Cannula (medium) 20 per box
OPT946 Optiflow+ Nasal Cannula (large) 20 per box
Part No. Description Quantity
OPT942E Optiflow+ Nasal Cannula (small) 1 each
OPT944E Optiflow+ Nasal Cannula (medium) 1 each
OPT946E Optiflow+ Nasal Cannula (large) 1 each
*Information presented does not replace the User instructions supplied with F&P Healthcare products.
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