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Octopus Proton, characterized by its small size and extra resistance to abrasion due to its bi-component over-molded construction, can be used by professional and recreational divers alike.

  

All Mares second stages offer the unique patented VAD system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low pressure area in center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths.

 

The patented mesh design of the second stage cover reduces the pressure of water fl owing onto the second stage diaphragm and minimizes free-flow. Even in strong currents it eliminates the need for a knob to ‘de-tune’ your air delivery system to stop free fl owing: Advanced Technology through basic physics.

  

Comfort is always one of the primary design elements in Mares equipment. Mares through superior technology continues to research, innovate and upgrade your level of comfort before and during your dive. Equipment marked with Max Comfort bring this quality of comfort to the most up-to-date premier pinnacle.

 

In today’s world of travel we are strictly confined by airline weight restrictions, therefore the design of your equipment needs to encompass elements to be travel friendly. Lightweight, streamlined, easy to pack and hassle free are just some of the elements included in the gear marked for travel.

 

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All Mares second stages offer the unique, patented, VAD system (Vortex Assisted Design). This unrivaled system eases breathing at all depths. The working principal is very simple. As air comes from the hose, it passes into the second stage and is conveyed directly to the mouthpiece through the by-pass tube. A "vortex" is created in the airflow as it enters the mouthpiece. In the center of this swirling air is an area of a low-pressure. This low pressure helps keep the second stage diaphragm down during inhalation, thus increasing the regulator's sensitivity and minimizing respiratory effort. Regulators with the VAD system, offer improved performance and allow for very natural and comfortable breathing. One of the main causes of ice forming in regulators is the expansion of air inside the second stage case, which causes an abrupt drop in temperature. With the VAD system, air expands inside the by-pass tube and mouthpiece, reducing the likelihood of icing.

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