This fifth-generation octo/inflator is now easier to use than ever. As a backup regulator in high-stress situations, the AIR2 breathes like a dream, rivaling some second stage models. It is CE-certified for waters 10-degree Celsius or warmer. The large, flexible purge button provides quick clearing when it counts. Divers can also enjoy pin point buoyancy control withthe AIR2. Its large inflate and deflate buttons are easy to distinguish, and the device fits comfortably in hand. For reliable performance without dangling hoses, the AIR2 is a standout.