I'm not a fan of spray cans, but this article is only available in spray cans. (In "normal" articles I prefer Punpzerstäuber ago.) Okay, actually it's great that you can buy without oxygen problems. But if not coincidentally, a physician would have made me aware that oxygen is highly explosive in cans, I had the danger signs, such as the estimated a hair spray. (That would be 50 degrees.) In fact, the oxygen cans - and that is because it just tiny - explode already at 25 degrees. In the warmer months there, otherwise in the home or in the car, in a pocket, or near heat that is quickly reached. That should keep in mind anyone who transports this oxygen cans or stored. Who buys a Healthy, merely untrained these bottles can completely do without it anyway and just be with the trained through moderate, sensible and very gradual, slow increase of the power workload.