Where are the systems made and filled?
Neither Poisk nor IMG’s system is local to Nepal. IMG’s bottles are made by a factory in California and after they are used, they are returned to the US for filling and reuse. Poisk bottles are made in St. Petersburg, Russia and after used they are shipped back to St. Petersburg for inspection, refilling and reuse. So what’s the big difference? The bottles are the major difference between IMG’s system and the one made by Poisk. IMG’s are larger and heavier than Poisk bottles but they do hold more oxygen. According to this information provided to me by IMG in late 2005, each IMG bottle holds 1800 liters of oxygen when full. According to the technical data available from Poisk’s web site, each one of their bottles holds only 1280 litres at +50C. So why does everyone choose to use a Russian oxygen system, when you could get a bigger one from the US? I believe it’s because of the weight. A full IMG bottle weighs 7 kg whereas a full four liter Poisk bottle weighs 3.5kg, – that’s half as muc