Atomic M1 Second Stage
Top Pick
Atomic
Atomic

Atomic M1 Second Stage

4.6

Best high performance regulator for technical and cold water divers.

A high-performance second stage built for extreme conditions and cold water reliability. Its robust construction and automatic flow control make it a top-tier choice for divers who prioritize durability and effortless breathing at any depth.

$479.95

In stock

at

Riversidescuba

Who it's for

  • Technical divers exploring harsh saltwater environments or using nitrox blends
  • Divers seeking a consistent breathing experience without manual adjustment knobs
  • Drift divers and DPV users operating in high-flow conditions

Who should skip it

  • Budget-conscious recreational divers looking for a basic entry-level setup
  • Travelers prioritizing a featherweight gear bag for international flights
  • Remote explorers without access to specialized Atomic Aquatics service centers

Performance breakdown

Breathing Resistance

Balanced linear flow ensures effortless inhalation at any depth.

Excellent

Cold Water Reliability

Thermal heat sink technology prevents freezing in extreme conditions.

Excellent

Durability

Zirconium-plated brass and titanium construction resists harsh saltwater corrosion.

Excellent

Maintenance Efficiency

Dynamic orifice design significantly extends the service life of internal components.

Excellent

Visibility

Super-wide exhaust deflector keeps bubbles clear of your field of view.

Excellent

Flow Control

Automatic system intuitively manages venturi effects for consistent performance.

Excellent

Key Specs

Weight

0.86 lbs

Hose Length

32 inches

Material

Zirconium plated brass, Titanium, Silicone rubber

Cold Water Rated

Yes

Adjustable Second Stage

Yes

Regulator Type

Second stage

Intended Use

Cold water diving

Connection Size

3/8 inch

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Atomic M1 Second Stage

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Riversidescuba
Riversidescuba
In stock
$479.95
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