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You cannot breathe directly out of a scuba tank because of the high pressure. A regulator reduces pressure to safe a level that can be inhaled by the diver. A diving regulator has two parts: the First Stage reduces the tank pressure and connects it to the Second Stage which contains the mouthpiece for breathing

Aqua Lung Calypso Regulator - Yoke

Manufacturer Reference / Part No.: 125420


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Aqua Lung is proud to introduce the fifth generation Calypso regulator! This simple design, with its attractive price, makes this regulator a popular choice for new divers. It is compact, lightweight and it breathes like a regulator that costs much, much more.

Feature1In-line, high-flow piston design means fewer components, excellent reliability and easy maintenance
Feature2Large diameter of piston guarantees a more stable medium pressure output
Feature3The 6 large holes in the end cap results in easier cleaning as well as better thermal exchange, thus improving the freezing resistance
Feature4Features 1 HP port and 4 MP ports
Feature5Compatible with EAN 40 new, out of the box
Feature6Mid-size, high performance, demand valve second stage
Feature7The easy-to-grip venturi lever prevents unwanted freeflow at the surface while giving a performance boost at depth
Feature8Can easily be reversed from right-handed to left-handed configuration by an Authorized Aqua Lung dealer without additional parts
Feature9Comes with Aqua Lung Comfo-Bite mouthpiece that reduces jaw fatigue
Feature10A grid built into the exhaust tee creates finer exhaust bubbles for less noise and more stability
Feature11Easy purge front cover
Feature12A reinforced polycarbonate material makes this second stage stronger than its predecessor
Feature13The side openings on the front cover prevent freeflow when facing into currents or riding a scooter

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