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Different masks allow you to set the percentage of O2. This is ideal for COPD patients, where you need to control the O2 percentage to avoid the build-up of carbon dioxide. Some are set to one colour, others have an adjustable valve or, just like this one has an assortment of valves

Different versions of Venturi Oxygen Masks:

  • Single use
  • Tubing and mask
  • Transparent mask to see skin colour 
  • Elastic strap
  • Holes in sides to let air escape 
  • Different coloured Venturi valves

They work on different flow rates of up to 15 litres per minute.

They can provide oxygen concentrations of:

  • 24%
  • 28%
  • 35%
  • 40%
  • 60%