They loan machines that don't work and will charge you a $5000 (travel deposit) if they feel like it was your fault their poorly maintained equipment has a problem. Seems fraudulent. Terrible customer service. If you call in with a problem they act as if they enjoy grilling you as to why you need a replacement or maintenance (which they never do). They don't care if you die, which you could, because if you need oxygen as I do, you may be out of luck. read more