88X First Stage Regulator

Mares
$519.95
$519.95

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88X First Stage Regulator by Mares

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Mares 88X First Stage Regulator: The Smartest Workhorse in Diving!

The Mares 88X is a premier first stage regulator that brilliantly combines a rugged, compact body with some of the most innovative reliability features on the market. This is the perfect engine for your dive rig, designed for top-tier cold-water performance and complete hose-routing freedom.

A First Stage That Protects Itself

The 88X is built with two layers of environmental protection.

  • Auto Sealing Technology (AST): This is the star of the show. The moment you remove the regulator from the cylinder, the AST automatically activates to seal the inlet. This is a game-changing feature that keeps water, salt, and contaminants from ever entering the sensitive internal mechanism, ensuring unmatched reliability and reduced service costs.
  • TBP Dry Kit: Working with the AST, the TBP Dry Kit hermetically seals the first stage, providing exceptional performance and freeze resistance for diving in the most extreme cold-water conditions.

Total Hose Routing Freedom

This first stage is a technical diver's dream for creating a clean, snag-free rig. It features a 360° swivel turret with four low-pressure ports, plus a fifth vertical LP port. This gives you unparalleled flexibility to route your hoses perfectly for any configuration—backmount, sidemount, or stage. For even cleaner routing, the two high-pressure ports are symmetrically angled at 10° to keep your gauge or transmitter tucked in.

High-Performance Breathing

Mares' Natural DFC (Dynamic Flow Control) is featured on all low-pressure ports, not just one. This minimizes the pressure drop as you breathe, ensuring a stable, high flow of gas to your second stage for an easy, responsive breath at any depth. Available in Yoke or DIN, the DIN version features a beefy hexagonal handwheel for a solid, no-slip grip.

Get the first stage that's smart enough to protect itself and versatile enough for any dive! Choose your connection and order your Mares 88X today!

Features
  • AST (Auto Sealing Technology): Automatically seals the first stage inlet when not attached to a cylinder, keeping internal components dry and clean for maximum reliability.
  • TBP Dry Kit: A hermetic environmental seal provides exceptional performance and freeze resistance in extreme cold water.
  • 360° Swivel Turret: The turret, combined with a 5th vertical port, offers complete flexibility for ideal hose routing in any configuration.
  • Natural DFC (on all LP ports): Guarantees a stable, high flow of air from every LP port, ensuring effortless breathing.
  • Integrated OPV (Overpressure Valve): A safety feature that protects your low-pressure hoses in the event of a failure.
  • Optimized HP Ports: Symmetrically angled ports allow for perfect, streamlined positioning of a gauge or transmitter.
  • Hexagonal DIN Handwheel: Provides a superior, easy-to-use grip, even with thick gloves.
Specs
  • Brand: Mares
  • Model: 88X
  • Type: First Stage Regulator
  • First Stage: Balanced Diaphragm
  • Finish: Pearl Chrome
  • Connection: Yoke or DIN (300 BAR)
  • High Pressure Ports: 2 x HP 7/16” UNF (10° angle)
  • Low Pressure Ports: 5 total (4 Radial 3/8” UNF on swivel turret, 1 Vertical 3/8” UNF)
  • Weight (DIN): 27.7 oz / 786 g
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Easy Returns

60-Day Hassle-Free Returns

Not the perfect fit? No problem. We offer a 100% credit or refund on any item returned within 60 days, as long as it's in new, unused condition with its original packaging. We want you to be happy with your gear, period.

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Your security is our top priority. We use the latest encryption technology to ensure your personal information is 100% safe, so you can shop with total peace of mind. Not comfortable ordering online? Give us a call at (815) 267-8400 and we'll gladly help you over the phone.

Full Manufacturer's Warranty

Authorized Retailer for Mares

We are an Authorized Dealer for every single brand we sell. This means you are getting 100% authentic gear, and your purchase is fully protected by the manufacturer's warranty. No gray-market gear, no warranty worries. We've got your back.

Our Promise to You

We\’re Divers, Just Like You

Our promise is that you get the right gear, and that it's right the first time. As divers ourselves, we'll help you find the perfect fit for your style of diving. Then, we'll quality-inspect your order before it ships to ensure it's ready for your next adventure. We're your local dive shop, no matter where you are.

California Proposition 65 Warning

Proposition 65

Safe Water and Toxic Enforcement Act of 1986 – Warnings Required

WARNING: This Dive Right In Scuba product can expose you to certain chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to  www.P65Warnings.ca.gov

We appreciate your decision to purchase Dive Right In Scuba products to provide the best in water experience. We take our job seriously! You may have noticed that our products now show a warning label at point of sale referring to carcinogens and birth defects. You may also have begun to see warnings related to carcinogenic substances or substances causing birth defects prominently displayed in hotel lobbies, hospitals, or other places of business recently. These warnings are required by the State of California, and we believe that an explanation of the California statute legislating the requirement will provide you valuable information regarding the relative risks of the chemicals that may be present in consumer products.

In 1986, the State of California passed the Safe Drinking Water and Toxic Enforcement Act; otherwise known as “Proposition 65” or "Prop 65". Prop 65 requires businesses like ours to disclose to individuals the presence of chemicals listed in the Act prior to point of sale. The regulations implementing this Act have been amended over time with the most recent updates will take effect on August 30, 2018. There are more than 900 chemicals on the Prop 65 Chemical List, including many chemicals that are found in components of a wide array of consumer goods or are used to manufacture components that make up consumer goods.

Prop 65 does not establish acceptable concentrations for any listed chemical; however, the agency which enforces it has established what is called "safe harbor" exposure levels for about one third of these chemicals below which warnings are not required. These "safe harbor" are established for listed carcinogens based on the quantity of the chemical that would result in one excess case of cancer in an exposed population of 100,000, assuming lifetime (70-year) exposure at the level in question. A similar process is used to establish safe harbor levels for listed reproductive toxicants. Additional information in plain language on safe harbor levels is available from the California Office of Environmental Health Hazard Assessment at http://oehha.ca.gov/Prop65/background/p65plain.html

At Dive Right In Scuba, the safety of your in water experience is our highest priority. We go to great effort to select materials that offer superior value, quality, and durability while also being generally recognized as safe and reliable for the full life of the product. Dive Right In Scuba also works closely with many regulatory bodies, such as the US Coast Guard and Underwriter’s Laboratories, to ensure the longevity of your on-water safety through targeted selection of durable, long lasting materials and components that undergo significant validation testing before being used to manufacture end items. Sometimes the safety promise we offer appears at odds with the health and safety requirements of other legislation in certain parts of the world when some regulations are updated ahead of others. To ensure compliance with applicable legal requirements, Dive Right In Scuba has placed a warning on products that contain a Prop 65 listed chemical, either directly or as a part of the raw material supply chain. This allows us to comply with California law and provide our California consumers with the disclosure required by Prop 65, while still promising the safest on water experience possible.

Dive Right In Scuba is working diligently with regulatory bodies and our own manufacturing partners to continue to continue to improve our product performance and reduce the presence of less desirable chemicals. Water is a precious resource we all share that is important to the health and well-being of our planet and all people. Our goal is to continue to enhance your water life experience while reducing our overall impact to the planet and, in particular, its waterways. While it is a bit of a juggling act to achieve, we are confident you will see continued improvement in both the immediate and long term future. We hope this explanation will enable you to understand why you will be seeing warnings on some our products.

Thank you for your continued use of Dive Right In Scuba products.
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