Atomic Aquatics M1 Regulator

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  • $1,149.00
  • Regular price $1,279.00
Tax included.


The M1 has an expanded performance range to meet almost any diving condition imaginable. Caves, cold, deep, enriched air – the M1 is perfect for recreational divers ready to extend their capabilities or accomplished technical and specialty divers. State-of-the-art metals meet proven Atomic designs to deliver reliable performance to fulfill virtually any need or diving scenario.

It’s a beast in the water, but not a burden for divers with 2.6 pounds first and second stage combined weight (yoke version).

M1 First Stage

  • Factory ready for Nitrox to 50% or Oxygen mixes to 80% when special guidelines are followed.
  • Chrome-plated Brass body and Monel key internal components.
  • Atomic exclusive balanced Jet Seat high-flow piston.
  • Freeze-protected and factory-sealed to prevent outside contamination from silt and sand.
  • Ports: 2 HP fixed / 5 LP on swivel cap

M1 Second Stage

  • Designed for cold water diving featuring thermal heat sink and super-dry exhaust valve.
  • Components made of precision-machined Brass with Zirconium plating and Titanium.
  • Patented Atomic Titanium Seat Saving Dynamic Orifice maintains crisp like-new factory tuning and prevents damage during storage.
  • Patented Atomic AFC – Automatic Flow Control.
  • Soft overmolded Rapid Adjustment Knob for manual detuning in special situations such as surf entries or octo use.
  • High-flow second stage case and lever design for easy breathing at all depths and tank pressures.
  • Surge-protected front cover for high current scenarios.
  • Super-wide exhaust deflector to disperse bubbles for enhanced visibility.
  • Dual silicone comfort fit mouthpiece with tear-resistant bite tabs – both comfortable and durable.
  • Optional M1 color kit.