Recent content by Cecilio Chacon Soto

Is this a concern? So I can not use it for something else like medical oxygen?

Hi everyone, nice to meet you all, I am new here.. I have a big question even though I had been reading a lot. I have a aviators avox system, my concern is can this be refill with medical oxygen? Also why is not to mention aviators if I take it to refill..? This one is all completly...