Compact, lightweight, and effortlessly maintainable, the Aqualung Calypso Second Stage Regulator has set the industry benchmark for durability and dependability for decades. Engineered to excel in demanding environments—from dive center rental fleets to personal setups—it delivers smooth, effortless breathing. Designed and manufactured in France, it is also highly versatile and **ideal for hookah dive systems operating down to 110 PSI** intermediate pressure.
Key Features & Performance Design
- Hookah & Low-Pressure System Ready: Engineered to operate reliably on standard scuba 1st stages as well as hookah air delivery systems running down to 110 PSI.
- Venturi Adjustment Switch: Allows precise control of airflow. Set to "MIN" to prevent surface freeflows, or "MAX" to minimize inhalation effort underwater, even while wearing thick gloves.
- Patented Comfo-Bite™ Mouthpiece: Features a built-in palate bridge made from soft hypoallergenic silicone that reduces jaw fatigue and keeps the regulator comfortably secured in your mouth.
- Polyurethane Purge Cover: Rugged, tear-resistant cover absorbs shock, protects against abrasion, and makes clearing water fast and effortless.
- Side Freeflow Deflection Ports: Engineered side openings prevent unwanted freeflow when swimming into strong currents or riding an underwater scooter (DPV).
- Simple Maintenance & Reusable Clip: Designed with fewer components for streamlined servicing, featuring a quick-change reusable mouthpiece clamp to minimize plastic waste.
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Aqualung |
| Model | Calypso Second Stage |
| Valve Type | Unbalanced Downstream Demand Valve |
| Intermediate Pressure Range | 110 PSI – 145 PSI (Ideal for Hookah Surface-Supplied Systems) |
| Airflow Control | In-line Venturi Switch (Min / Max) |
| Mouthpiece | Hypoallergenic Silicone Comfo-Bite™ |
| Nitrox Compatibility | Compatible up to 40% O2 out of the box |
| Origin | Designed and Made in France |
| Shipping | FREE Canada-Wide Shipping on orders over $200 CAD |
Shipping & Service: Enjoy FREE Shipping Canada-Wide on all orders of $200.00 CAD or greater! Every regulator purchased through International Diving Centre is technician-inspected for proper intermediate pressure calibration before dispatch.
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