Beginning in 2005, Windblade has been creating, promoting and evolving the oxygen concentrator based solutions for general aviation, acting as the exclusive general aviation distribution channel for Inogen. With the advent of the Inogen high flow oxygen concentrators being readily available worldwide, Windblade has shifted its focus to providing the essential aviation Interface kit for the oxygen concentrators. The oxygen concentrator system (FAA certified for commercial aviation) can be source from a variety of distribution channels and sometimes used.