Non-rebreather oxygen mask

Features:

1.Mask with elastic strap
2.Adjustable nose clip                    
3. With 2m anti-crush tubing,external diameter of connecting tube:5mm OD,Oxygen tubing length: 7,14 and 25,We can adjust the length and diameter
4.Material:Medical grade PVC, non-toxic and soft
5.Complete with PVC reservoir bag and Anti-crush tube
6.Concentration:high concentration at 95%-8%
7.Sterile:EO gas
8.Feature:easy to tear open; prevent leakage; waterproof
9.Two colors for choice:green and transparent,Bag: 500cc or 1000cc