Name: HELIX PRO STAGE 3 - Dive Regulator + Octopus
Brand: AQUALUNG
SKU: 706027

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First stage<ul><li>AUTO CLOSURE DEVICE: The ACD keeps the inlet shut to protect internal parts from debris and corrosive water when not connected to a cylinder valve. It helps to maintain oxygen compatibility, preserve internal lubrication, and keep the inlet filter clean and dry. This extends the life of the first stage between services.</li><br><li>PERMANENT DRY CHAMBER: Where there's no moisture, there's no ice. The Permanent Dry Chamber keeps internal parts clean and dry by isolating them from the outside environment. This enhances overall freeze resistance of the regulator when diving in cold water.</li><br><li>OVER-BALANCED MECHANISM: Also known as Auto-Balanced, the Over-Balanced Mechanism overcompensates the interstage pressure to reduce your breathing effort. Regardless of depth or tank pressure, it provides effortless breathing from the beginning to the end of your dive. This results in superior performance at depth.</li><br><li>BALANCED DIAPHRAGM: Provides superior and consistent performance.</li><br><li>BLUE HIGH PRESSURE SEAT: It is the core of the first stage. The Blue High Pressure Seat opens and closes with every breath, forming a perfect seal with durable materials that work in all conditions and with all gasses. The working pressure of the first stage is automatically elevated to counteract the increased breathing air density.</li><br><li>DUST CAP PROTECTION: Attached to the regulator body, the Dust Cap protects the inlet fitting and the Auto Closure Device from impacts and damage. It also seals the first stage when it's off the tank.</li><br><li>HP/MP PORTS: HP and MP ports and "T" Shape o 2 HP ports (7/16”) and 4 MP ports (3/8”) perfectly oriented in a “T” shape for streamlined hose positioning.</li><br><li>AVAILABILITY DIN: (4,350psi/300 bar max.) and YOKE (3,300psi/232 bar max.).</li><br></ul><br>Second stage<ul><li>COVER OPENING CHANNELS: The Front Cover Opening Channels allow water to flow sideways over the diaphragm. The wide radial openings prevent freeflows when diving in strong currents and reduces cracking effort by 20%.</li><br><li>VENTURI ADJUSTMENT SWITCH: The Venturi Adjustment Switch allows divers to precisely control and adjust the air flow. In the “MIN” position, the valve's assistance is minimized, resulting in a higher inhalation effort, ideal to avoid freeflow. In the “MAX” position, the valve's assistance is maximized, resulting in a lower inhalation effort. The overmolded elastomer and ergonomically designed lever allow control of the air flow even while wearing gloves.</li><br><li>PNEUMATICALLY BALANCED: For smooth and easy breathing at all depths.</li><br><li>HEAT EXCHANGER: Prevent ice forming on the valve inlet.</li><br><li>COMFOBITE: A patented and comfortable mouthpiece featuring a unique palate bridge reduces jaw fatigue and securely holds the second stage in place. Made from hypoallergenic silicone, the orthodontic mouthpiece is both soft and sturdy.</li><br><li>INTERCHANGEABLE MOUTH PIECE: The detachable and reusable mouthpiece clamp allows for quick and simple tool-free change, avoiding plastic waste.</li><br><li>REUSABLE MOUTHPIECE CLIP: Perform quick and easy mouthpiece changes using the removable, reusable clip.</li><br><li>BRAIDED HOSE: Provides flexibility, comfort and excellent transportability.</li></ul>

1st Stage Type

1st Stage Weight in Yoke

1st Stage Weight in DIN

2nd Stage Type

Auto-Closure Device (ACD)

Comfo-Bite Mouthpiece

Environmental Chamber

Heat Exchanger for Freezing Resistance

Lip Shield

Max Working Pressure (Gauge)

Nitrox/oxygen Compatible

Number of HP Ports

Number of MP Ports

Work of Breathing (j/L)

Auto Closure Device (ACD)

Permanent Dry Chamber

ComfoBite Mouthpiece

Air Channel Deflector

Interchangeable Mouthpiece

Cover Opening Channels

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Adjustable

Made in France

Cold/Warm Water

weight

The Helix Pro mid-range regulator embodies the DNA of Aqualung's technical excellence. Representing our core range, it offers superior breathing performance with its balanced first and second stages. Featuring patented ACD technology, the first stage rema

HELIX PRO STAGE 3 - Dive Regulator + Octopus

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