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The DFC (Dynamic Flow Control) system is designed to minimize the intermediate pressure drop during inhalation. This ensures a stable flow of air, even under extreme diving conditions.
A.C.T. is a patented technology developed to optimize performance, safety, and reliability. The valve in the first stage regulator is covered with a hard polyurethane (PU), and the sealing surface is layered with a soft PU for a perfect seal. This makes the valve significantly more durable.
The V.A.D. system is a unique design feature in the second stage of the regulator and the octopus. It creates a swirling vortex with a low-pressure area in the center during inhalation, ensuring very sensitive and easy breathing at all depths.
The mouthpiece of the Mares Prestige Octopus is made of soft hypoallergenic silicone. This ensures a secure fit and limits jaw fatigue, even after long dives.
The super-flex hoses are extremely lightweight and soft, providing maximum freedom of movement during your dives. They also contribute to reducing jaw fatigue, enhancing your overall diving comfort.
Review Summary
2024-09-09T10:44:50
Great Reg. Quality equipment at a great price. I have bought 2 of these sets and will probably buy another.
mark r.
2023-07-19T09:37:34
Breathes very easy. Solid well built and from a name I trust
JAMES C.
2023-07-05T08:18:49
Works great, can't complain.
Andrew S.
2022-11-03T06:02:05
Very nice regulator set up for my daughter and breathes excellent
Eddy F.
2022-06-24T06:59:50
Works great I am very satisfied.
Tim C.
2022-02-17T08:35:21
Great price and solid reg
BRYSON S.
2022-01-25T17:14:37
Just works.
Jim R.
2022-01-09T11:12:53
Great price and deal. Quality seemed great
DON H.
2021-12-22T05:30:00
Works well. Got a great deal so happy so far.
MARK W.
2021-11-11T08:28:15
Excellent product for warm water diving
ROBERT P.
2021-08-20T08:06:31
Used a few times, diaphragm was a bit wonky at first providing uneven control. After a few minutes, never bothered again. Shipped quickly, would reccomend!
SHAWN G.
2021-08-19T10:22:45
Works great, no issues!
CHRISTOPHER P.
2021-05-19T13:58:16
Luv the product and had a great experience with the staff!!!
PAUL P.
2021-04-18T08:12:10
What happened to the carry case that was supposed to come with it? Never came !!
MUKESH M.
2021-03-21T09:09:11
Great regulators for the price. My son was very pleased.
PIER C.
2021-01-29T18:06:51
Good reg set up for the money. Have about a dozen dives with them (down to 100’) and they are very easy breathing Regulators. Noticed no change in effort upside down at depth even - felt like a balanced set up. The hose is a bit stiff and can cause the mouthpiece to get pulled a bit - but overall, can not beat this set up for the price.
STEVEN M.
2021-01-29T07:22:24
The balanced diaphragm makes breathing easy at 101’ as well as shallow! Mouthpiece fits well with no jaw fatigue! Would definitely recommend this!
LYNNE L.
2021-01-17T09:36:30
Great package for the price. I previously had the same reg set up with a different color. It worked wonderfully but I gave it to someone who was diving more than I was at the time. I was happy to see this package come available at the price.
MATTHEW T.
2020-12-29T13:56:50
great package deal
DAVID S.
2020-12-13T14:25:05
I was so excited when this came in the mail and couldn't wait to dive with it. I took it to my local dive shop pool and I'm not sure what to think. As soon as I took a breath I was like...what the hell is that? It makes a high pitched squealing noise when I inhale both above and below water. The squealing doesn't affect the functionality but as a new diver I am really uneasy about it. I could not take this reg on a trip and feel safe without it being looked at and possibly serviced which it ridiculous since it brand new. I don't by any means think its a bad regulator because it does breath easy but it's frustrating. I guess we will see what Leisure Pro has to say.
Charity T.
2020-12-07T00:03:28
Works perfectly, looks great and has an additional port for my transmitter. Great At depths exceeding 100 feet. No issue.
BRIAN M.
2020-11-19T07:06:12
Worked great and the price was fantastic!
JEFF W.
2020-10-30T15:44:21
Very comfortable and easy to use!
MICHAEL R.
2020-07-07T23:42:15
Really like this regulator. No issues or complaints. Works perfectly with my tank and transmitter
ELLIE S.
2020-06-12T08:59:35
Got this for my Girlfriend as a birthday gift and she loves it
EDWARD S.
2020-06-11T15:57:07
Product works just the way it should, just used it & no issues!
FRED D.
2020-02-26T05:06:18
Used in Bonaire and the regulator was perfect. Really like the mouth piece!
Wayne H.
2019-12-22T07:57:22
Good product for a great price. My local dive uses them in their rental stock because they are so dependable.
MORRIS K.
2019-12-19T09:01:56
Good quality first/second stage and octo. Light weight and good for traveling. Can’t beat it for the money. It’s an excellent value. I got one for myself and my girlfriend.
ROBERT H.
2019-12-17T17:58:34
What a fantastic deal this is. I've only been on 4 dives so far (two to 85' and two more to 65') but breathing has been effortless. I've had absolutely no free flow. No hums or noises. I've had many others envious of the deal I found when they paid hundreds more for a similar class of regulators. I've got mine set up with a 90 degree angle and one on a necklace. Works amazingly well!
WESLEY C.
Balanced Diaphragm
Four 3/8" Threaded UNF
Two 7/16" Threaded UNF
Yes, Up to 40% O2
Downstream Demand
First Stage: Chromed Brass
Second Stage: Techno-Polymer & Polyurethane
3/8"
Primary: 31.5" (80cm)
Octopus: 39.4" (100cm)
Primary w/o Hose: 34 oz. (965 g)
Octopus w/o Hose: 13.76 oz. (390 g)
850011411018
Reasonably priced and Very Good Octopus
By MARK W.
Works well. Got a great deal so happy so far.
Great. Price and quality are amazing
By MATTHEW T.
Great package for the price. I previously had the same reg set up with a different color. It worked wonderfully but I gave it to someone who was diving more than I was at the time. I was happy to see this package come available at the price.

The Mares 15X first stage is compact and reliable, meeting divers demands at any depth, with a second stage made of ultralight technopolymer. The large purge button is effortless to use with gloves, and the VAD system provides excellent breathing - a great regulator!
• Chrome plated marine brass first stage
• Balanced diaphragm and environmentally sealed design
• A.C.T. Advanced Coating Technology provides new levels of durability
• Dynamic Flow Control (DFC) minimizes the intermediate pressure drop during inhalation
• The Prestige15X first stage guarantees a stable flow of air, even under extreme conditions
• The First Stage is equipped with 4 LP ports with 3/8" and 2 HP 7/16" ports for attachment of a Pressure Gauge or Air Integrated Console

• Vortex Assist Design (V.A.D.) 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
• Compact and ergonomic exhaust tee ensures superior hydrodynamic performance and reduced exhalation resistance
• Fluid Dynamic Deflector 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
• Superflex hose is extremely light weight and exceptionally soft, guaranteeing the maximum freedom of movement and reducing jaw fatigue. Super flex hose has 3/8" Threads and is 31.5" (80cm) in length.

• Mid-size octopus with a stylish design, strengthened by technology to give steady, natural and effortless breathing
• Reliable downstream valve design
• Vortex Assisted Design (VAD) system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low-pressure area in the center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths
• Fluid Dynamic Deflector 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
• Superflex hose is extremely light weight and exceptionally soft, guaranteeing the maximum freedom of movement and further reducing jaw fatigue
• High visibility yellow cover

Compact, reliable, and performance are the key words for describing this new Mares first stage. Featuring the DFC system, it meets all divers' demands at any depth. The new valve guarantees longevity and advanced performance. A medium-size second stage is made of ultra-light techno-polymer. The large purge button is effortless to use while wearing gloves. The VAD system delivers excellent and natural breathing at any depth. The super-flex hose is light and flexible for maximum comfort.
The chrome plated marine brass first stage regulator is a balanced diaphragm design which is inherently environmentally sealed. The diaphragm membrane transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism. The benefit of this type of first stage design is that none of the internal parts are exposed to contaminants such as salt, sand, chlorine or pool acids. These environmental contaminants cause corrosion and mineral deposits to form on the internal mechanism deteriorating regulator performance. The Prestige15X uses A.C.T. Advanced Coating Technology. This patented technology created to optimize performance, safety and reliability. The valve is covered with a hard Polyurethane (PU) and the sealing surface is a layered with a soft PU for a perfect seal. Tri-material (brass, soft PU and heavy-duty" PU) reaches new levels of durability. The new valve is 600% more durable than its predecessor.
Another unique feature of the first-stage is the dynamic flow control (DFC). The DFC system minimizes the intermediate pressure drop during inhalation. The Prestige15X first stage guarantees a stable flow of air, even under extreme conditions. The First Stage is equipped with 4 LP ports with 3/8" and 2 HP 7/16" ports for attachment of a Pressure Gauge or Air Integrated Console.
The second stage Vortex Assist Design (V.A.D.) 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. The compact and ergonomic exhaust tee ensures superior hydrodynamic performance and reduced exhalation resistance. Mares Prestige second stage incorporates the Fluid Dynamic Deflector, which 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. Regulator has the super flex hose. Hose is extremely light weight and exceptionally soft, guaranteeing the maximum freedom of movement and reducing jaw fatigue. Super flex hose has 3/8" Threads and is 31.5" (80cm) in length. The regulator weighs 34 oz. (965 g).
The Prestige is a mid-size octopus with a stylish design, strengthened by technology to give steady, natural and effortless breathing. All Mares second stages are a reliable downstream valve design and offer the unique patented Vortex Assisted Design (VAD) system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low-pressure area in the center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths.
Furthermore, the compact and ergonomic exhaust tee ensures superior hydrodynamic performance and reduced exhalation resistance. The mouthpiece is made of soft hypoallergenic silicone: limiting jaw fatigue and offering a secure fit even after very long dives. Mares Octopus Prestige 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. Mares developed the Superflex 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 further reducing jaw fatigue. The regulator comes with a high visibility yellow cover and Superflex hose that is a 3/8" threaded high flow hose and is 39.4" (100cm) in length. The regulators total weight is 13.33 oz. (378 g).
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