AirLife Oxygen Tubing Connectors. AirLife Oxygen Tubing Connectors are designed to connect tubing with a diameter between 5 mm and 7 mm. Each O2 connector is disposable and latex free. AirLife provides you with a secure way to connect oxygen tubing for your patients. AirLife Oxygen Tubing Connectors are latex free to reduce the risk of patient irritation and they are fully disposable for safe, single-patient use. Packaging: 50/Case.