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Atomic Aquatics
Other products by Atomic Aquatics
SKU: ATO0202113PS
Reg. Price: $599.95
Our Price: $439.95
on orders of $35.00 or more.
Please review our shipping policies for details and restrictions.


Atomic Aquatics ST1 Second Stage Octo

A breath of fresh air.

The ST1 is a beautifully machined Stainless Steel regulator with outstanding corrosion resistance and high performance breathing. Made of a special grade of 316 Stainless Steel, the ST1 offers superior corrosion resistance for dependability while preserving our precious environment. The ST1 is fitted with our patented Atomic Aquatics Stainless Steel comfort swivel hose.


  • Patented Atomic Seat Saving Orifice (Titanium)
  • Patented Atomic Automatic Flow Control (AFC)
  • Rapid adjustment knob for manual second stage de-tuning in special situations
  • All-stainless steel Atomic Comfort Swivel standard
  • A new high-flow second stage case lowers breathing effort at any depth from shallow water to beyond the limits
  • Dual material second stage cover enables entire front to be used for purge
  • Dual silicone comfort fit mouthpiece with tear-resistant bite tabs
  • 2 year / 300 dive service interval
  • Limited Lifetime Warranty – not contingent on proof of service
  • Wide exhaust deflector to disperse bubbles for enhanced visibility


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