-• Medium concentration oxygen mask for adults with nose clip and oxygen hose, 1.8m, polypropylene • For oxygen administration, use from 5 liters/flow (25% oxygen) • Light and comfortable for the patient • Integrated nose seal for various nose shapes • No metal nose clip • Soft materials for optimum wearing comfort • Elastic can be worn both above and below the ears • Exhalation ports designed for minimal rebreathing of carbon dioxide