The M-7 and M-9 oxygen tanks use the Screw Valve Regulator where the Jumbo D uses the Toggle Valve Regulator. Both types of regulators are adjustable flow regulators up to 15 liters per minute. Please select the proper regulator for the oxygen tank you have.
If you need help determining which type of regulator you can Click on Resources for Oxygen Valve Chart.
Want even more help or a different type of regulator, Contact Us and we will get right back to you.