Aqualung Legend 3 Octopus
The Legend 3 Occy or LEG3ND Supreme Octopus is designed for longevity and performance.
It matches the outstanding performance of the Leg3nd primary 2nd stage, offering a reliable and high-performing gear for a seamless diving experience. Crafted with precision and designed for reliability, this octopus guarantees top-tier performance in any underwater scenario, mirroring the excellence of the Leg3nd series. Its high-visibility yellow hose provides quick identification in emergencies, enhancing safety and peace of mind. Made in France, it’s designed and built for performance.
When performance is your top priority, LEG3ND is the answer. The Aqualung Legend 3 Octopus shares the same breathing characteristics as the LEG3ND ELITE and LEG3ND MBS. The familiar Venturi switch now features an updated ergonomic design. In the underwater world where sensations and emotions are amplified, focus on what truly matters: feeling free.
Aqualung Legend 3 Octopus Features
- 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-moulded exhaust cover made of elastomer with a “soft touch” effect
- Overmolded air purge
- A wide surface area makes regulator purging easier.
- The purge depth controller optimizes airflow with minimal effort.
- A patented Comfobite mouthpiece reduces jaw fatigue and comfortably secures the second stage.
- Without plastic waste, a detachable and reusable mouthpiece clamp allows a quick and straightforward tool-free mouthpiece change.
- The enlarged heat exchanger helps to prevent the freezing of the second stage mechanism.
- Air channel deflector
- Directs the airflow evenly during the inhalation phase
- A streamlined bi-material deflector lowers the exhalation effort.
- Flexible and lightweight Aqua Flex hose with dual protectors
- Designed and made in France
| Type | Balanced |
| Technology | Downstream Valve |
| Venturi Vane | YES |
| Adjustment Knob | NO |
| Comfobite mouthpiece | NO |
| Heat Exchangers | YES |
| Lip Shield | NO |
| Weight | 227 g |
| Work Of Breathing | 0,70 j/L (50 m depth, 50 bars and a 62,5 l/min breathing rate) |
| Nitrox Compatible | YES to 40% O2 when new, out of the box (21% in Europe) |

TUSA S0011 Octopus Second Stage 







