Gary Name Meaning & Origin. Gary. Origin of the name Gary: From the Old English Garwig (spear of battle), a compound name composed from the elements gar (a spear) and wig (battle). Alternatively, Gary developed as a pet form of any of the various names beginning with the Germanic element gar (spear). Var: Garry.
So if you require 3 liters per minute of oxygen, that amount of oxygen is delivered to you throughout one minute whether you take 20 breaths each minute or 10. Continuous flow oxygen concentrators deliver a set amount of oxygen per minute when set to the corresponding setting.
The capacity of the oxygen. cylinder can range from 40- 3445 liters capacity and cost between Rs. 2,625-. 12,215. The cylinder can provide oxygen at 1 LPM for 11.3 hrs (e.g.680 litres. capacity cylinder) or 4 LPM for 2.8 hrs. Thus the overall running costs turn out to be. much higher than the oxygen concentrator.