Leg3nd Stage 3

The Leg3nd regulator and an octopus, in one purchase

Leg3nd Stage 3 is Aqualung's Leg3nd regulator, first and second stage, sold together with an octopus (an alternate second stage), so you get both in one purchase. You choose the first stage: DIN or INT, one per set. Aqualung gives this set the same description and figures as the Leg3nd regulator: it is made for divers who put performance first, and Aqualung says it shares the breathing characteristics of the Leg3nd Elite and Leg3nd MBS. The over-balanced first stage has an Auto Closure Device (ACD) and a permanent dry chamber, and the second stage has a Venturi switch you can work in gloves. The full regulator detail is on our Aqualung Leg3nd page. Designed and made in France.

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Highlights

Regulator and octopus in one set

The set is the complete Leg3nd regulator, first and second stage, plus one octopus, an alternate second stage. Aqualung's photo shows a yellow octopus marked LEG3ND, but the page text does not name the octopus model. Want to check it before you order? Ask us on LINE.

Choose a DIN or INT first stage

The first stage comes in two versions, DIN and INT (yoke), one per set: match the tank valves you dive with. Aqualung lists the first stage at 747 g in DIN and 957 g in INT, with a maximum working pressure of 300 bar in DIN and 232 bar in yoke.

Breathes like the Leg3nd Elite and MBS (per Aqualung)

The first stage is over-balanced and the second stage is pneumatically balanced, with a work of breathing of 0.7 J/L listed by Aqualung. The Venturi switch (MIN / MAX) is overmolded with a soft-touch elastomer you can work in gloves, and opening channels in the cover reduce cracking effort by 20%, according to Aqualung.

ACD and dry chamber against ice in cold water

The first stage has an Auto Closure Device (ACD) and a dust cap. A permanent dry chamber improves freeze resistance in cold water, deep ribs with an overmolded cap delay ice on the external diaphragm, and the second stage has a heat exchanger.

Who it is for

Great for
  • Divers who want the regulator and an octopus in one purchase: this set has both
  • Divers who put performance first: Aqualung says the Leg3nd breathes like the Leg3nd Elite and Leg3nd MBS
  • Cold-water divers: a permanent dry chamber, deep ribs and an overmolded cap help resist ice
  • Nitrox divers: Aqualung rates the regulator up to 40% O₂ when new, out of the box (21% in Europe)
Maybe not for
  • Divers who already own an octopus: Aqualung also sells the Leg3nd regulator on its own; see our Aqualung Leg3nd page or ask us on LINE
  • Divers who also want to set the cracking effort: the Leg3nd has the Venturi switch only, while the Leg3nd Elite adds a separate cracking-effort adjuster and the Leg3nd MBS sets Venturi and inhalation effort with one control, also sold as the Leg3nd MBS Stage 3 set; ask us on LINE

Specifications

Set
Regulator + octopus (the photo shows a yellow octopus marked LEG3ND)
1st stage
Over-balanced; Auto Closure Device (ACD); permanent dry chamber; de-ice ribs and overmolded cap
1st stage weight
Yoke 957 g (34 oz) / DIN 747 g (26 oz)
Max working pressure
DIN 300 bar / Yoke 232 bar
Ports
2 HP (7/16" UNF), 4 MP (3/8" UNF)
2nd stage
Pneumatically balanced; Venturi switch (MIN/MAX), overmolded for use with gloves; heat exchanger; cover channels cut cracking effort by 20%; air channel deflector
Work of breathing
0.7 J/L
Nitrox
Up to 40% O2 when new, out of the box (21% in Europe)
Mouthpiece
Comfo-Bite, interchangeable with a reusable clip
Hose
Aqua Flex, with dual protectors
Origin
Designed and made in France
In the box
Leg3nd regulator (first stage in DIN or INT, as chosen + second stage) + one octopus
Details and specs from the official AQUALUNG website ↗

FAQ

What is in the set?

One Leg3nd regulator, a DIN or INT first stage as you choose plus the second stage, and one octopus. Aqualung does not list a pressure gauge in the set. Need one too? Ask us on LINE.

Which octopus comes in the set?

Aqualung's photo shows a yellow octopus marked LEG3ND, but the page text does not name the model. Want to be sure before you order? Ask us on LINE.

DIN or INT: which one should I choose?

It is how the first stage connects to the tank valve, so match the valves you dive with; each set comes with one. Aqualung lists the first stage at 747 g (26 oz) in DIN and 957 g (34 oz) in INT (yoke), with a maximum working pressure of 300 bar in DIN and 232 bar in yoke. Not sure? Ask us on LINE.

How is it different from the Leg3nd regulator sold alone?

Aqualung's page for this set gives the same regulator description and figures as the Leg3nd page; the difference is that this set adds an octopus. For the full regulator detail, such as the Comfo-Bite mouthpiece and the Aqua Flex hose, see our Aqualung Leg3nd page.

Can I use it with nitrox?

Aqualung lists the regulator as compatible up to 40% O₂ when new, out of the box (21% in Europe). Planning to dive nitrox? Ask us first.

Is it OK for beginners?

Aqualung does not name a skill level, but offers the Leg3nd for divers who put performance first, and the only second-stage control is the Venturi switch. Just starting and not sure which set to pick? Ask us on LINE.

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