Mares Prestige Octo 416545 035121

Mfg Part #: 416545
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Air & Nitrox Compatible

Customer Reviews for Mares Prestige Octo:

See the top 20 most helpful scuba gear reviews

Average Customer Review: based on 2 reviews.

Rating: Octo
Reviewer: MAJ M.  -  View all my reviews
I have this octo attached to my 1st stage, fortunately no one has had to use it yet. Octo functions as it should at depth when I tested it on my first dive with it. I like the longer air line with this octo.

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17 out of 27 people found this review helpful.

Rating: Looks good
Reviewer: Sharif J.  -  View all my reviews
Did not have a chance to try this octo on my last diving trip but it looks durable and reliable.

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179 out of 368 people found this review helpful.

Questions and Answers for Mares Prestige Octo:

  • Kerry:

    Is the hi- viz yellow hose braid ? If not can this product be up graded to braid and at what cost ? Thanks

    Aaron  (Certified Scuba Instructor at

    Hi Kerry, This octo does come with the hi-viz yellow braid hose.

A medium-size octopus with an appealing design, featuring the latest technologies to offer easy natural breathing. The soft purge button is easy to use, even when wearing gloves. VAD system promises excellent and natural breathing at any depth.

VAD System

The air coming from the LP-hose passes through the second stage control valve and is conveyed directly to the mouthpiece through the by-pass tube (Mares patented). In the mouthpiece connector, the airflow creates a swirling action, or “vortex”. The core of the vortex is a low-pressure area, which, during inhalation, helps to hold down the second stage diaphragm, thus markedly increasing regulator sensitivity. The decisive advantage of the VAD System lies in the precision of its control. The VAD supplies the inhalation effort with just the intensity required.

Another advantage of the VAD system is related to the bypass tube, through which most of the air is delivered. In cold water diving, this system prevents ice crystals (which can be generated by the expansion of humid air in cold temperatures) from interfering with the proper operation of second stage components.

Fluid Dynamic Deflector: Recieves and properly deflects the airflow from the bypass tube to the mouthpiece. 

Mesh Grid: Patented design which reduces the impact of water flow onto the second stage diaphragm, thus eliminating free flows even in strong currents.

Ultralight Techno Polymer: Abrasion resistant and affordable, ideal for diving in warm and moderate water temperatures.


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