features and Details: 1. Medical grade PVC material, can do non-O-benzene material 2. Suitable for patients who cannot intubate through the oral cavity 3. Hot melt treatment of head and Murphy hole 4. Olive balloon can be selected 5. Tube body with blue X development line 6. Standard joints 7. Tube scale can be customized 8. Single packaging: paper plastic bag packaging, curved blister packaging 9. With large veterinary specifications (10.5mm, 11.0mm, 11.5mm, 12.0mm)
