LIGHTWEIGHT AND PERFECT FOR TRAVEL. The Z2 packs a lot of performance into a 2.6 pound package (yoke version).

Z2 FIRST STAGE FEATURES: Chrome-plated Brass and 316 Stainless Steel Atomic exclusive balanced Jet Seat high-flow piston. Optional factory-sealed to prevent outside contamination from silt and sand. Nitrox ready – approved for non-dedicated EAN use with mixtures up to 40%. Ports: 2 HP fixed / 7 LP on fixed cap.

Z2 SECOND STAGE FEATURES: Precision-machined Brass with Zirconium plating and Titanium components. Pneumatically-balanced poppet, high-flow case and lever design for easy breathing at all depths and tank pressures. Patented Atomic AFC – Automatic Flow Control. Soft overmolded Rapid Adjustment Knob for manual detuning in special situations such as surf entries or octo use. Patented Atomic Titanium Seat Saving Dynamic Orifice maintains crisp like-new factory tuning and prevents damage during storage. Dual material second stage cover enables entire front to be used for purge. Elliptical exhaust valve dramatically reduces exhalation effort at depth. Dual silicone comfort fit mouthpiece with tear-resistant bite tabs – both comfortable and durable.

2-YEAR / 300-DIVE SERVICE INTERVAL LIMITED LIFETIME WARRANTY: Metal parts are warranted against corrosion for life. Period. The Atomic warranty is NOT contingent on proof of service. And even the recommended service interval of 2 years or 300 dives gives you a lot of dive time before taking your regulator in for a check-up