Medium-Concentration Masks are designed to effectively deliver oxygen at a concentration rate of 40% to 50%. These masks come with light green oxygen supply tubing, designed to help improve tube visibility.
- Transparent vinyl mask features smooth edges
- Mask features an adjustable nose clip and elastic strap
- Includes 7′ of crush-resistant, star lumen oxygen supply tubing
- Not made with natural rubber latex or DEHP
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