Improve Indoor Environmental Quality Awen Natural Air offers Pyure® hydroxyl radical generator equipment rentals, sales and servicing. Pyure Technology® uses ultraviolet (UV) energy to mimic the way sunlight sanitizes our outdoor environment by safely generating and dispersing hydroxyls and organic oxidants indoors.https://www.youtube.com/watch?v=739LKhE6c9UHydroxyl Radicals are the most amazing molecules that most people have never hear about.