The Atomic Aquatics Z3 Second Stage with a 32″ hose (Black) delivers smooth, predictable performance for scuba diving and underwater exploration. Its Balanced Linear Flow Design enables easy breathing at all depths and in a variety of dive conditions. Built to last, it features a zirconium-plated brass demand valve body and titanium comfort swivel for durable, responsive performance during dives.

Designed for reliability within scuba gear setups, this second stage emphasizes low maintenance and long-term performance. AFC technology supports easy breathing, while a unique jet seat system helps minimize routine service needs. The freeze-protected, factory-sealed design ensures dependable operation in challenging underwater environments.