Description
When conditions get tough, the MK19 EVO / A700 steps up.
This system pairs the environmentally sealed MK19 EVO diaphragm first stage with the all-metal A700 second stage, creating a regulator that thrives in cold water, silty environments, and demanding dive conditions.
The sealed design keeps out contaminants like silt, sand, and salt—making it an ideal choice for wreck divers, cold water explorers, and anyone diving beyond easy conditions.
Meanwhile, the A700 delivers smooth, powerful airflow with a fully metal body that enhances durability and improves cold-water performance by resisting icing.
Why Divers Choose the MK19 EVO / A700
- Sealed system keeps out sand, salt, and debris
- Exceptional cold water performance
- All-metal second stage improves durability and thermal exchange
- Smooth, consistent breathing at any depth
- Ideal for harsh environments and advanced diving
This is the regulator you reach for when you don’t want to think about your regulator.
Key Features
MK19 EVO First Stage
- Air-balanced diaphragm design
- Fully environmentally sealed system
- Dry chamber keeps out contaminants
- Swivel turret for flexible hose routing
- Excellent performance in cold and murky water
- Compact and rugged construction
A700 Second Stage
- Full metal (chrome-plated brass) construction
- Air-balanced valve for effortless breathing
- Diver-adjustable inhalation effort control
- VIVA (Venturi control) switch
- Exceptional cold water resistance
- Durable and high-performance design
Specs
- First Stage Type: Air-balanced diaphragm (sealed)
- Second Stage Type: Air-balanced (metal construction)
- Ports: 4 LP / 2 HP
- Water Temp Use: Ideal for cold, temperate, and harsh conditions
- Weight: Approx. 2.8 lbs
Who It’s For
- Cold water divers
- Wreck and technical divers
- Divers in silty or low-visibility environments
- Anyone who wants maximum protection and durability
What’s Included
- MK19 EVO First Stage
- A700 Second Stage
- Low-pressure hose
(Octo, gauges, and consoles sold separately unless bundled)




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