For emergency use only when administered by properly trained personnel for oxygen deficiency and resuscitation. For all other medical applications, Rx only. CAUTION: Federal law prohibits dispensing without prescription. Uninterrupted use of high concentrations of oxygen over a long duration, without monitoring its effect on oxygen content of arterial blood, may be harmful. Use only with pressure reducing equipment and apparatus designed for oxygen. Do not attempt to use on patients who have stopped breathing unless used in conjunction with resuscitative equipment. Prouduced by Air Liquefaction. WARNING: HIGH PRESSURE OXIDIZING GAS VIGOROUSLY ACCELERATES COMBUSTION. Keep oil and grease away. Open valve slowly. Store and use with adequate ventilation.Use only with equipement cleaned for oxygen service and rated for cylinder pressure. Use a back flowpreventive device in the piping. Close Valve after each use and when empty. Cylinder temperature should notexceed 52°C (125°F).Use in accordance with the Material Safety Data Sheet (MS DS).