Main Series. 1  The Punisher (later renamed Frank Castle: The Punisher) â Running from 2004 to 2008 with #75 Issues, it was written by Garth Ennis, then Gregg Hurwitz, Duane Swierczynski, and Victor Gischler. 2  Punisher MAX â Ran from from 2010 to 2012 with #22 Issues.
A: The range of medical oxygen cylinder sizes goes from M-2 to M-250 and includes M-4, M-6, M-7, M-9, M-22, M-24, M-60 and M-122. The diameter sizes range from 2 1/2 inches to 52 inches, and empty weight ranges from 0.7 pounds to 114 pounds.
An oxygen concentrator is a medical instrument that provides oxygen therapy to patients with respiratory illnesses. Oxygen concentrators administer oxygen that is purer than the oxygen in the ambient air. Oxygen concentrators have become significantly more popular than compressed oxygen tanks. Unlike oxygen tanks, oxygen concentrators do not run the risk of leaking and causing explosions or fires.