Nasal Cannula (Adult) Salter Style with modified nasal prongs, 7" (2.1M) Q supply tube and CO2 sample tube with male luer connector 22mm (I.D) x 6mm (O.D) Adaptor. Adult Divided Cannula. || Single Patient Use. Do not Sterilize || Salter Labs, 100 W. Sycamore Road, Arvin, CA 93293 || Used to deliver supplemental oxygen or airflow to a patient or person in need of respiratory help.