These masks, sometimes called High Air Flow Oxygen Enrichment (HAFOE) masks incorporate a Venturi Barrel and use the Bernoulli principle to deliver a predetermined and fixed concentration of Oxygen to the patient, regardless of the patients respiratory pattern, by providing a higher gas flow than the peak inspiratory flow rate.
Sorry but there are no data sheets associated with this product.
What oxygen flow rate would you need for this colour of barrel (yellow)?
For the yellow barrel, the recommended flow rate is 8 litres per minute (minimum). Please note for future reference however, all indicated flow rates can be found on the bale of the barrel.
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