Aqua Lung Legend Elite Regulator


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The LEG3ND ELITE gives divers unprecedented capabilities by providing perfect precision and enhanced ergonomics at your fingertips. Advanced divers appreciate the independent micro adjustments to fine-tune their own individual breathing preferences.​



First Stage

  • When the first stage is not connected to a cylinder valve, the Auto Closure Device (ACD) keeps the inlet shut to protect the first stage internal parts from contamination and corrosive water.
    • Preserves the internal lubrication
    • Keeps the inlet filter clean and dry
    • Safer for elevated percentages of oxygen
  • Exceptional cold-water performance is achieved by modernizing Aqualung's three anti-freeze properties:
    • Where there's no moisture, there's no ice: The LEG3ND's integrated dry chamber keeps inner components clean and dry by isolating them from the outside environment
  • Deep ribs create a large heat exchange surface area that helps to prevent ice forming on the mechanism (+30% vs Glacia / +70% vs Legend 2)
  • The new over molded cap delays ice forming over the external diaphragm
  • Auto-Balanced (also known as Over-Balanced)
  • Progressive increase of the working pressure to maintain optimum breathing efforts: Depending on the diver's depth, the working pressure of the first stage is automatically elevated to counteract the increased breathing air density
  • Ergonomically shaped DIN and YOKE screws made of a bi-material “Soft Grip” surface provide a better hold when installing or removing the first stage – especially with cold hands
  • Channeled YOKE screw to prevent water retention.
  • Specialized ACD Dust cap attached to the regulator body to protect the inlet fitting and the ACD system from impacts or damage
  • Perfectly positioned HP and MP ports provide optimal hose routing

Second Stage

  • New front cover opening channels allow water to flow sideways over the diaphragm
    • Radial openings to prevent free flows when diving in stronger currents
    • Openings widened to reduce peak inspiratory flow by an impressive 20%
  • New over molded exhaust cover made of elastomer with a “soft touch” effect
  • Over molded air purge
    • Wide surface area makes regulator purging easier
    • Purge depth controller optimizes air flow with minimal effort
  • The Patented Comfo-bite mouthpiece reduces jaw fatigue and secures the second stage more comfortably.
  • Detachable and reusable mouthpiece clamp allows a quick and simple tool-free mouthpiece change without plastic waste.
  • The enlarged heat exchanger helps to prevent freezing of the second stage mechanism
  • Air channel deflector
    • Directs the air flow evenly during the inhalation phase
    • Streamlined bi-material deflector lowers the exhalation effort
  • Flexible and lightweight Aqua Flex hose with dual protectors


First Stage

  • Overbalanced diaphragm design
  • Auto-Closure Device (ACD) to help prevent accidental flooding of the 1st stage
  • 2 HP ports     
  • 4 LP ports     
  • 1st Stage Flow Rate of 1500 l/min
  • 1st Stage Weight in DIN 747 g
  • 1st Stage Weight in Yoke 957 g
  • Permanent Environmentally sealed
  • Chrome over marine brass exterior

Second Stage

  • Pneumatically balanced
  • Venturi switch
  • Adjustable Breathing resistance                                 
  • 2 Comfo-Bite mouthpieces, one installed, and a standard with bite wings in the box                                     
  • Lip shield                                            
  • Heat Exchanger for freezing resistance 
  • 2nd Stage Weight 227 g/8 oz
  • Hose length 730 mm/29 in
  • Overall work of breathing (WOB) scores     Avg. 0.70 joules/liter
  • Nitrox compatible up to 40% O2 when new, out of the box