Atomic M1 2nd Stage
Best high performance regulator for technical and cold water divers.
Built for the most demanding technical and cold-water environments, this regulator uses premium materials like titanium and zirconium to ensure reliability. It balances high-performance air delivery with user-friendly features like automatic flow control, making it a versatile choice for divers who refuse to compromise on gear quality.
$479.95
at
Divers Supply
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Who it's for
- Technical divers seeking high-oxygen compatibility for decompression stops
- Frequent saltwater divers prioritizing long-term gear durability
- Demanding divers wanting consistent performance in challenging environments
Who should skip it
- Budget-conscious recreational divers looking for a basic backup
- Traveling divers focused on minimizing their total gear weight
- Casual weekend divers who only perform simple reef dives
Performance breakdown
Breathing Effort
High-flow case design makes deep-water inhalation feel effortless and natural.
Cold Water Reliability
Thermal heat sink technology prevents freezing in the most frigid environments.
Build Durability
Zirconium-plated brass and titanium construction withstands years of harsh saltwater exposure.
Maintenance Intervals
Patented seat-saving orifice significantly extends time between required professional service.
Depth Adaptability
Automatic flow control seamlessly adjusts air delivery as you descend deeper.
Visibility Clarity
Super-wide exhaust deflector keeps bubbles away from your face for clear views.
Key Specs
Weight
3 lbs
Primary Hose Length
32 inches
Material
Brass, Zirconium, Titanium, Stainless Steel
Cold Water Rated
Yes
Adjustable Second Stage
Yes
Balanced Second Stage
Yes
Intended Use
Recreational, Technical, Cold Water
Mouthpiece Material
Silicone
Service Interval
2 years/300 dives
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Ask Metto anything about the Atomic M1 2nd Stage before you decide.