Venturi Mask is the ideal delivery system to provide controlled concentrations of supplemental oxygen to suit a wide variety of patient needs. This versatile mask comes with 6 color-coded diluters for easy identification in concentrations ranging from 24% to 50%. This premium mask includes 7 feet of flexible tubing that’s kink-resistant to allow oxygen to flow freely. Adjustable elastic strap allows for easy adjustment and secure, non-binding seal.