Atomic Aquatics M1 Octopus, 36" hoseM1 Octopus Rugged Backup Regulator with High Visibility Design The M1 Octopus from Atomic Aquatics delivers the same rugged reliability and smooth breathing performance as the M1 primary regulator, making it an ideal backup air source. Featuring a bright yellow 36" hose for quick identification, this octopus is built to perform in demanding diving environments. Effortless Breathing Balanced airflow ensures smooth, natural breathing at any depth. High