Atomic Aquatics Z2 RegulatorThe Atomic Aquatics Z2 Regulator is the Z Series' most compact and economical regulator system. This combination of performance, ergonomics, and materials is designed for scuba diving in a range of underwater conditions. It delivers smooth breathing and dependable operation, making it a reliable choice for divers relying on their scuba gear during ocean and freshwater dives. Built with corrosion resistant materials and a robust construction, the Z2 is