Medical Air

Air makes up 99% of the earth’s atmosphere and consists mostly of Oxygen and Nitrogen. Air is colorless, odourless, tasteless and non-toxic. It is non-flammable, but does support combustion.

  •  Respiratory therapy
  • Humidity treatments using nebulizers

Limiting Characteristics 

Medical Air 



Oxygen (O2)

19.5 to 23%

Carbon Dioxide(CO2)

< 500 ppm

Carbon Monoxide(CO)

< 10 ppm

Total Hydrocarbon (CnHm)


Moisture (H2O)



< 5 ppm

Sulphur Dioxide (SO2)

< 5 ppm

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