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Experience big performance in an ultra-compact footprint with the Aqualung Helix Compact Pro Octopus. Engineered specifically for travel-minded, cold-water, and recreational divers, this pneumatically balanced secondary stage delivers exceptionally smooth, low-effort airflow despite its reduced physical profile. Featuring a high-visibility yellow purge cover, an integrated heat exchanger, and an ergonomic Venturi lever, it sits flat against your chest to minimize hydrodynamic drag while providing absolute reliability in an emergency.
Cold-Water Certified & Compact Travel Geometry
Equipped with a patented metallic heat exchanger that surrounds the valve mechanism to dissipate freeze risk during cold Canadian dives. Its ultra-lightweight, compact body reduces jaw fatigue and packs effortlessly into travel regulator bags.
Features and Benefits
- Pneumatically Balanced Valve Mechanism: Guarantees smooth, consistent, low-effort breathing at any depth or cylinder pressure.
- Ultra-Compact & Lightweight Profile: Mid-sized travel casing sits comfortably against the torso without drag or pulling on the mouth.
- In-Line Venturi Control Switch: Ergonomic, tactile Venturi lever allows easy toggling to "Pre-Dive" mode to stop surface free-flows, or "Dive" mode for maximum gas flow.
- Patented Heat Exchanger: Surrounds the demand valve to draw warmth from ambient water, dissipating gas-expansion chill to resist cold-water freezing.
- High-Visibility Yellow Cover & Hose: Bright yellow front purge cover and 39-inch yellow hose ensure immediate visual location during out-of-air scenarios.
- Comf-Bite Anti-Fatigue Mouthpiece: Upper palate bridge supports the mouthpiece naturally, eliminating jaw strain on extended dives.
Technical Specifications
| Brand | Aqualung |
|---|---|
| Product Model | Helix Compact Pro Octopus |
| Second Stage Type | Pneumatically Balanced Demand Valve |
| User Controls | In-Line Venturi Control Switch (Pre-Dive / Dive) |
| Included Hose | 39" High-Visibility Yellow Braided Hose |
| Cold Water Rating | Yes (EN250A Extreme Cold Water Certified) |
| Best For | Secondary Regulator, Dive Travel, Cold Water Scuba, & Lightweight Setups |
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