1. Take cap off of one of the oxygen cylinders

2. Twist/screw on Flow Control Regulator make sure Regulator is very securely attached

2a.Do not take Regulator off of oxygen cylinder until the cylinder is empty!

3. Attach Mask to Flow Control Regulator's small outlet tube

4. The PO2 Personal Oxygen System is now ready for action

5. To operate on a 'pulse' or for shot's of oxygen', just press in on
the button on the side of the regulator.

To operate 'free-flow' push the same button in and
up, this will engage the button to a 'hold' position and your oxygen
will 'free-flow' out of your regulator

6. Order additional Oxygen Cylinder Refills for your O24U Personal
Oxygen System at www.betterthanair.com