Check out www.aeromedix.com -- they've put together a few different portable
oxygen systems that don't seem to have the 100% aviation markup to them.
He's also got an interesting article on there about inflight oxygen use.


"C J Campbell" wrote in message
...
I am thinking of getting a portable oxygen system to use on the 206 and
other aircraft that I fly. These hot summer days with high density
altitudes
in Idaho and Wyoming leave me gasping. Maybe it is just age.