Aqualung LEGEND Dive Regulator

Aqualung LEG3ND Dive Regulator

Engineered to Breathe Effortlessly—Even in Extreme Cold

The Aqualung LEG3ND is the ultimate evolution of Aqualung’s legendary regulator series, designed for divers who expect precision, control, and top-tier performance in the harshest conditions. Whether you're ice diving, deep wreck exploring, or cruising tropical reefs, the LEG3ND delivers effortless, natural breathing in all environments.

With a completely overbalanced diaphragm design, a sealed first stage, and heat-exchange technology built for freezing conditions, this regulator ensures reliable airflow at every depth and temperature. The second stage features full user control with breathing resistance and Venturi settings, combined with Aqualung’s signature Comfo-Bite™ mouthpiece for lasting comfort.

What’s New in the LEG3ND

• Enhanced heat-exchange fins for superior cold-water protection
• Redesigned front cover and internal components for improved breathing dynamics
• Sleek ergonomic Venturi switch and breathing resistance knob

Key Features

• Overbalanced diaphragm first stage – maintains stable airflow as depth and pressure increase
• Auto Closure Device (ACD) – seals automatically when not connected to a cylinder
• Environmentally sealed – prevents ice buildup and protects from contaminants
• Deep ribs and heat-exchange fins – provide class-leading freezing resistance
• Pneumatically balanced second stage – delivers consistent breathing effort
• Adjustable breathing resistance knob – fine-tunes inhale effort
• Venturi switch – controls airflow direction to minimize freeflow
• Wide exhaust tee – efficiently diverts bubbles
• Comfo-Bite™ mouthpiece – reduces jaw fatigue
• 2 HP ports and 4 MP ports – versatile hose routing options

Technical Specifications

• First Stage Type: Overbalanced diaphragm
• Sealing: Environmentally sealed
• Auto Closure Device (ACD): Yes
• Second Stage Type: Pneumatically balanced
• User Controls: Breathing resistance knob, Venturi switch
• Mouthpiece: Aqualung Comfo-Bite™
• Ports: 2 High Pressure (HP), 4 Medium Pressure (MP)
• Weight (2nd Stage): Approx. 210 g
• Orientation: Left/right configuration possible
• Cold-Water Rated: Yes – EN250A Certified

The Aqualung LEG3ND delivers elite-level performance and unmatched reliability, making it the trusted choice for serious divers. Designed to thrive in cold water and deep dives, it offers breathing precision and durability that meets the needs of today’s most demanding underwater explorers.