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Do not base your order on the picture presented.
Features of the Cardinal AirLife Universal Oxygen Nut/Nipple Connector:
The AirLife nut/nipple connector can be used to connect oxygen tubing to an oxygen source. To use, simply attach the threaded end of the connector securely to a flowmeter and connect the tubing connector to the outlet stem.
Eligible for FREE or discounted ground shipping.
Medex SKU: CRD-001840