• Colour coded venturi system attached to adjust variable low & medium concentration of oxygen
• Low concentration (Green Colour) diluter allows setting of approximately 24%, 26%, 28% & 30%
• Medium concentration (white colour) diluter allows settings of approximately 35%, 40% & 50%

Common Features

• Comes with adjustable elastic strip and integrated nose clip to secure mask position
• Star lumen tube of length 210cm maintains continuous oxygen supply & prevent accidental blockage