An oxygen mask is a device that transfers oxygen from a storage tank to the human lungs. The oxygen mask can cover the nose and mouth (oral-nasal mask) or the entire face (full-face mask). It plays an important role in ensuring human health and protecting the safety of pilots and airline passengers.

The oxygen mask is mainly made of plastic, silicone, or rubber.

1. The interface of the inner hole of the catheter should be unblocked and not blocked;
2. The mask is equipped with a nose clip and elastic band, and there are vents on both sides;
3. The oxygen supply pipe and the joint should be firmly connected, able to withstand 15N static axial tension, and shall not break or fall off for 15 seconds;
4. The oxygen supply pipe should be able to withstand 50kPa air pressure and should not leak for 15 seconds;
5. The product should be sterile.

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