Unlike in commercial airlines, users of aircraft without need oxygen concentrators which are able to deliver enough flowrate even at high altitudes.
View home oxygen units from leading brands such as CAIRE, Philips Respironics, Invacare and Inogen that come in many sizes and flow settings that fit your oxygen needs.
The is designed for 24 x 7 use and conforms to all applicable FAA requirements for POC use onboard an aircraft.
It is small in size and lightweight and can be carried around easily.
These conditions normally run for a short period of time.
Smaller the size, the noisier it is.