The Legend Supreme regulator series incorporates a proprietary over-balanced diaphragm first stage design coupled with a high performance balanced second stage.

The over-balanced first stage achieves unprecedented performance by increasing your air supply the deeper you go. The balanced adjustable second stage reduces breathing resistance to near zero with a lightweight balanced valve seat designed to respond instantaneously to the slightest inhalation. The Legend Supreme regulator series is the best performing regulator Aqua Lung has ever offered. Legendary performance from Aqua Lung: a tradition for 60 years.

• *Compatible with EAN 40 right out of the box
• *Din adapter Option

The Legend ACD Supreme is the cold water version of the Legend ACD and can be identified by the "snowflake" laser-etched into the case. It is matched with the same Legend first stage as found on the other Legend models with additional coldwater features. The Legend ACD second stage is a pneumatically balanced design that does not require diver adjustment. The Legend ACD is matched exclusively with the Legend over-balanced diaphragm first stage.

Auto-Closure Device (ACD) seals the regulator’s inlet fitting, both Yoke and DIN, as soon as the regulator is removed from the cylinder valve.

• • This will keep water and contaminants out of the regulator’s first stage during rinsing and storage.
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• • It allows the first stage to maintain peak performance over time
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• • The first stage will retain its internal lubrication longer
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• • Makes the first stage safer for nitrox use

The new ACD feature coupled with the environmental dry chamber, results in a first stage that is completely sealed off from the environment.

Over-balanced diaphragm design delivers superior breathing performance even at increased depths

Environmentally sealed dry chamber helps resist freezing and keeps the internal mechanism clean and dry

Specifically adjusted to pass the stringent European Standards for cold-water regulator performance