Primary Regulators

Auto Closure Device (ACD) - keeps corrosive water out of the first stage inlet by automatically closing as the CORE is removed from the cylinder v...

First Stage: The balanced diaphragm mechanism allows for ease of breathing and consistent performance while protecting internal moving parts from ...

Auto-Closure Device (ACD) keeps corrosive water out of the first stage inlet by automatically closing as the Legend is removed from the cylinder v...

Comfobite / interchangeable mouthpiece The Helix Pro octopus is pneumatically-balanced resulting in smooth and easy breathing. The easy-to-grip ve...

Newly added Auto Closure Device (ACD) - keeps corrosive water out of the first stage inlet by automatically closing as the Core is removed from th...

Twilight stainless steel accent ring. Smaller Comfo-bite mouth piece designed for smaller mouths and a detachable silicone bridge which fits acros...

Auto-Closure Device (ACD) keeps corrosive water out of the first stage inlet by automatically closing as the Legend is removed from the cylinder v...

The large-diameter piston gives you more stable pressure out Designed with large holes in end caps for easy cleaning and better thermal exchange a...

Balanced diaphragm 1st stage provides superior, consistent performance. “T” shape body for streamlined hose positioning. In-line ergonomic Venturi...

Compact dimensions and low weight makes it ideal for travelers or young adults A braided hose, weighing less than 5 oz., provides flexibility, com...

First Stage: Uses a balanced-diaphragm mechanism resulting in ease-of-breathing and consistent performance while environmentally protecting the i...

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 ...

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 ...

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 ...

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 ...

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 st...

Inhalation adjustment knob: Allows the diver to precisely adjust the opening effort sensitivity At “MIN” position the assistance of the valve is m...

Auto Closure Device (ACD) - keeps corrosive water out of the first stage inlet by automatically closing as the CORE is removed from the cylinder v...

Aqua Lung Calypso Classic Scuba Diving Regulator Yoke