Atomic Aquatics Z2 Second Stage only, 32" hose, GrayThe Atomic Aquatics Z2 second stage, gray, with a 32" hose, is part of the Z Series regulator line designed for scuba diving gear. This second stage emphasizes smooth, reliable performance for underwater breathing and straightforward maintenance. Gray housing with a corrosion resistant finish contributes to durability in saltwater environments, while the ergonomic inhalation control and intuitive purge support easy underwater use and consistent