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About Mares Prestige 12S Regulator

Excellent performance without a high price, incorporating all the features that make Mares regulators stand out from the rest Mares Prestige 12S is a compact regulator with stylish design, strengthened by the ultimate technologies to provide steady, natural and effortless breathing.

The first stage is a balanced diaphragm design in a chromed marine grade brass body with the Tri-material Valve. The "Tri-material" valve is a patented innovation, conceived and created to optimize performance, safety, and reliability over time for Mares MRT first stages. During operation, the high-pressure valve is subjected to various stresses. In traditional valves, these stresses, combined with extreme usage conditions, can cause premature wear of the valve with a consequent drop in reliability, performance, and safety. After careful study of the forces involved, the pressures that act on the surfaces of the valve, and the usage conditions to which it is subjected, Mares has created the new "Tri-material" valve (brass, soft polyurethane, and "heavy duty" polyurethane), found today on all Mares MRT first stages.

This innovative technical solution guarantees maximum performance, safety, and durability for Mares first stages. The exclusive MARES DFC system featured minimizes the intermediate pressure drop which occurs in all regulators during the inhalation phase. This pressure drop is greater when higher airflow is demanded of the regulator. The DFC system substantially reduces breathing effort and inhalation resistance, especially during deep dives and under high air flow conditions.

The second stage Vortex Assist Design (V.A.D.) system: 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 the center this keeps the diaphragm down during inhalation, giving very sensitive and easy breathing at all depths.

The second stage cover features the new "mesh-grid" system for water inflow and outflow, which provides a further performance improvement. Furthermore, the compact and ergonomic exhaust tee ensures superior hydrodynamic performance and reduced exhalation resistance. Mares Prestige second stage incorporates the Fluid Dynamic Deflector, developed after in-depth studies and tests of fluid dynamics, is engineered to receive and properly direct the airflow from the bypass tube to the mouthpiece. Combined with the VAD system it delivers very natural and effortless breathing. All enclosed in a lightweight Techno-Polymer housing.

Mares developed the Super flex hose after many years of testing and research. The results achieved far surpassed the tests required by EN250. Hose is extremely light weight and exceptionally soft, guaranteeing the maximum freedom of movement and reducing jaw fatigue. Superflex hose is 3/8" Threaded hose and is 31.5" (80 cm) in length. Mares Prestige 12S comes with a limited lifetime warranty.

Click below to view various Mares tutorial videos for the Prestige 12S
DFC System Demo

VAD System Demo

Mesh Grid System Demo

The Mares Prestige 12S Regulator is commonly used for Warm Water and more. The Mares Prestige 12S Regulator is most used by customers who consider themselves to be a Advanced among others. The Mares Prestige 12S Regulator is popular because customers like the following qualities of the Mares Prestige 12S Regulator: Comfortable, Effortless breathing.

Warranty Information

This product has a limited lifetime warranty.

www.mares.com
(800) 874-3236

Mares Prestige 12S Regulator Features

  • Hose: 3/8" Threaded 31.5" (80 cm)
  • Comprehensive Owner's Manual
  • Weight: 39.79 oz (1,128 g)
  • Limited Lifetime Warranty
  • First Stage: Mares 12S Regulator
  • Balanced Diaphragm
  • DFC System
  • Tri-Material Valve
  • Chromed Marine Grade Brass
  • Material: Chrome Plated Marine Brass
  • Environmentally Sealed Design
  • Design Provides Protection from Sand, Salt, Chlorine, Pool Acid and Contaminants
  • 4 LP and 2 HP Ports
  • Second Stage: Mares Prestige
  • Soft Purge Diaphragm with Mesh-Grid
  • Mid-Size and Stylish
  • VAD
  • Dependable Downstream Demand Valve Design
  • Fluid Dynamic Deflector
  • Very Natural and Effortless Breathing

Mares Prestige 12S Regulator Specifications

1'St Stage Type
Balanced Diaphragm
Lp Ports
4 Lp 3/8" Thread
Hp Ports
2 Hp 7/16" Thread
2'Nd Stage Type
Downstream Demand Valve
Materials
First Stage: Chromed Brass, Second Stage: Techno-Polymer And Polyurethane
Hose Thread
3/8"
Hose Length
31.5" (80 Cm)
Total Weight
39.79 Oz (1,128 G)
Weight [with packaging]
3.5 lb

Prestige 12S Regulator Customer Reviews

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by PowerReviews
Mares Prestige 12S Regulator
 
4.3

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Effortless breathing (7)
  • Comfortable (6)

Cons

    Best Uses

    • Warm water (5)
      • Reviewer Profile:
      • Advanced (4)
      • Diving Type:
      • Open water diving (8), Drift diving (4), Night diving (4), Cave diving (3)
      • Was this a gift?:
      • No (6)

    Reviewed by 8 customers

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    5.0

    Great reg!

    By Jag

    from Puerto Rico

    About Me Advanced

    Pros

    • Comfortable
    • Effortless Breathing

    Cons

      Best Uses

      • Warm Water

      Comments about Mares Prestige 12S Regulator:

      Have used it on a few dives and it feels great. Breathes effortlessly and feels great.

      • Diving Type:
      • Cave Diving, Drift Diving, Night Diving, Open Water Diving
      • Was this a gift?:
      • No

      Comment on this review

       
      4.0

      Very good regulator

      By Jack

      from Toronto

      About Me Advanced

      Pros

      • Effortless Breathing

      Cons

        Best Uses

        • Extreme Depths
        • Warm Water

        Comments about Mares Prestige 12S Regulator:

        I used this regulator for my last 10 dives and, overall, a I find it very good. The ease of breathing, at any depth, is amazing. The extra flex hose is good but at times I found it pulling on the second stage. The mouth piece is comfortable and jaw fatigue was not an issue for me.

        • Diving Type:
        • Cave Diving, Drift Diving, Night Diving, Open Water Diving, Wreck Diving
        • Was this a gift?:
        • No

        Comment on this review

         
        4.0

        Mares Prestige 12S Regulator by Mares

        By Becky the beginner

        from New Zealand

        About Me Beginner

        Verified Buyer

        Pros

        • Effortless Breathing

        Cons

          Best Uses

            Comments about Mares Prestige 12S Regulator:

            I bought this reg and used it on my very first open water dive last weekend
            It was fabulous! My jaw was not tired after use and I loved the bubbles coming out the side, not up in front of my mask every time I breathed

            • Diving Type:
            • Open Water Diving
            • Was this a gift?:
            • No

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            4.0

            It is good gear

            By ferayag

            from Guayaquil, Ecuador

            About Me Professional

            Verified Buyer

            Pros

            • Comfortable
            • Good price value

            Cons

              Best Uses

              • Warm Water

              Comments about Mares Prestige 12S Regulator:

              Para dar clases a mis alumnos, son equipos que usan ellos.

              • Diving Type:
              • Open Water Diving
              • Was this a gift?:
              • No

              Comment on this review

               
              4.0

              great regulator

              By Oz

              from Mexico city

              About Me Beginner

              Pros

              • Adjustable
              • Comfortable
              • Effortless Breathing

              Cons

                Best Uses

                • Warm Water

                Comments about Mares Prestige 12S Regulator:

                I tried this regulator recently and I like it a lot. Compared to the regulators I used when I was taking my open water course this one is much better!. I also like that it has 4 low pressure ports and 2 high pressure ports, I will take advantage of this once I get a computer.

                • Diving Type:
                • Open Water Diving
                • Was this a gift?:
                • No

                Comment on this review

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                Q&A

                Questions & Answers Powered by TurnTo®

                Questions about this item:

                Shopper  What is the maximum pressure in the air tank I can use with this regulator? IE: 4,350 PSI. Thanks!
                DAVID S  Don't know, I use 3,000 PSI
                Shopper  Is the Second stage of the Prestige 12S, being "plastic", usable/good in cold temps, high 30s to mid 40s? Thanks.
                RENEE T  The coldest it has been in is the high 40s. I have never had a problem with this reg
                Dan E  Can anybody tell me if this regulator is nitrox compatible?????? I've been getting dif. answers. thank you Danny
                Dan E  So I made a phone call to Mares just to confirm and they said that it is in fact Nitrox ready up to 40% out of the box. Thanks for the answers guys Danny
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