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.
Oxygen concentrators typically use pressure swing adsorption technology and are used very widely for oxygen provision in healthcare applications, especially where liquid or pressurised oxygen is too dangerous or inconvenient, such as in homes or in portable clinics.n oxygen concentrator has an air compressor, two cylinders filled with zeolite pellets, a pressure equalizing reservoir, and some valves and tubes. In the first half-cycle the first cylinder receives air from the compressor, which lasts about 3 seconds.