The Dynarex Resp-O2â„¢ High-Concentration Standard Mask with Standard Connector is the ideal delivery system to provide high concentrations of supplemental oxygen. This premium mask comes with a medical-grade reservoir bag to ensure there is always an adequate oxygen supply, and 7 feet of flexible kink-resistant to allow oxygen to flow freely. A comfortable elastic strap allows for easy adjustment and a secure, non-binding seal. Features

• Transparent vinyl mask features smooth edges
• Mask features an adjustable nose clip and elastic strap
• Includes a vinyl reservoir bag and 7’ of crush-resistant, star lumen oxygen supply tubing
• Not made with natural rubber latex or DEHP