also Sleep Apnea & use an oxygen concentrator overnight every night with a back up cylinder. My oxygen is supplied by BOC who are brilliant. I travel around the UK on little breaks, sometimes for 1 night sometimes a week & BOC arrange for other companies ie AirLiquide, to provide my oxygen & they are all brilliant, the oxygen is in my hotel room on arrival & removed when I leave. Excellent service all provided by the NHS........ I now want to stay in my friends apartment in Spain, have phoned my company & contacted other oxygen suppliers but so far don't know how I do this. I need to know if I have to arrange to take a concentrator with me or do I need to contact an oxygen company in Spain to supply me???? Can anyone help please??