The Atomic Aquatics Z2 Octopus with a 36-inch yellow hose provides a reliable complement to any regulator system for scuba and diving setups. Built with precision machined brass featuring Zirconium plating and Titanium components, this second stage is designed for durability and dependable performance underwater.

Designed to perform in varied underwater conditions, the Z2 Octopus features advanced design elements for smooth breathing and reliable operation with scuba gear. It includes the patented Atomic Seat Saving Orifice (Titanium) and the patented Atomic Automatic Flow Control (AFC), plus a rapid adjustment knob for manual second stage de-tuning in special situations. A new high-flow second stage case lowers breathing effort at any depth, from shallow water to beyond the limits.