This is the Atomic T3 Scuba Diving Titanium Regulator 1st and 2nd Stage Environmentally Sealed

Features:

First Stage:

• Precision-machined from solid Titanium alloy billet.
• Minimalist yoke design is optimized to use the least amount of material for the lightest weight possible.
• Atomic Aquatics exclusive balanced Jet Seat high-flow piston.
• Freeze-protected and 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 / 5 LP on swivel cap.

Second Stage:

• Pneumatically-balanced poppet, high-flow case and lever design for easy breathing at all depths and tank pressures. Patented Atomic Aquatics AFC – Automatic Flow Control.
• Soft overmolded Rapid Adjustment Knob for manual detuning in special
• situations such as surf entries or octo use.
• Patented Atomic Aquatics Titanium Seat Saving Dynamic Orifice maintains crisp
• like-new factory tuning and prevents damage during storage.
• Hose features patented all-Titanium Atomic Aquatics Comfort Swivel with Black
• PVD coating.
• 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.
• PVD coated metal-accent front cover ring.