Material: Non-toxic,Medical-grade PVC Application: For consuming oxygen in a hyperbaric oxygen chamber. It uses one tube to deliver fresh oxygen to the patient and another tube to exhaust the waste air. Specification& Size: Large, Medium, Small Packaging: 100pcs/Carton
Advantages:
1. The tightness of the elastic band can be adjusted, to ensure the efficient inhaling of oxygen. 2. The product is designed according to human body engineering. 3. The product is non-toxic, reliable.
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