The Mares 2S 1st Stage Regulator – INT is a first-stage regulator from Mares – the critical link between your tank and your breathing. Engineered for reliable pressure reduction and smooth air delivery at any depth, it’s the foundation of any well-built regulator system for diving at Payar Marine Park’s gentle reefs.
Technical Specifications
| Specification | Details |
| Brand | Mares |
| Product | 2S 1st Stage Regulator – INT |
| Stage | 1st Stage |
| Type | Air balanced |
| Material | Chrome / Brass |
| Connection | DIN / Yoke |
| Best For | Recreational diving |
Key Features
- Air-balanced piston: Delivers consistent pressure reduction regardless of tank pressure.
- DIN / Yoke compatible: Fits the most common tank valve standards.
- Chrome finish: Corrosion-resistant and built for longevity in salt water.
- Smooth breathing: Low work of breathing at any depth.
Suited for Malaysian Dive Sites
The Mares 2S 1st Stage Regulator – INT is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Payar Marine Park’s gentle reefs, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive – salt crystals inside the housing cause wear.
- Cap the inlet when not in use – keeps sand and debris out.
- Have it serviced by a certified technician every 12–18 months.
- Never disassemble the internals yourself – it voids the warranty.
Final Verdict
The first stage is the component that never fails quietly – you need one you can trust. The Mares 2S 1st Stage Regulator – INT is a reliable, well-built choice.




Hafizah Shah –
Can someone please explain the differences between the Mares 2S 1st Stage Regulator – INT and other regulators on the market?
Imran Hanafiah –
Thank you for your review and rating of the Mares 2S 1st Stage Regulator – INT! At [your company name], we’re proud to offer a range of top-quality regulators from reputable brands, and we’d be happy to explain the differences. The Mares 2S is a high-performance regulator known for its reliability, durability, and ease of use. While we can’t compare it directly to every regulator on the market, we can highlight its unique features: high-flow performance, a compact size, and a long-lasting design. If you have any specific questions or would like to know more about a particular regulator, please let us know, and we’ll do our best to help. We appreciate your feedback and would love to hear more from our customers!.
Nurul Aminah –
What type of maintenance is required for the Mares 2S 1st Stage Regulator – INT? Is it suitable for diving in cold water?
Imran Hanafiah –
Thank you for your review of the Mares 2S 1st Stage Regulator – INT! To answer your questions, regular maintenance is essential to ensure the optimal performance and longevity of the regulator. This includes checking and cleaning the regulator’s components, such as the diaphragm and valves, as well as lubricating the o-ring seals. You can find detailed maintenance instructions in the user manual. As for diving in cold water, the Mares 2S 1st Stage Regulator – INT is designed to perform well in a wide range of water temperatures, but it’s always recommended to follow safe diving practices and consult the user manual for specific guidelines on diving in cold water. We appreciate your business and hope to see you diving again soon!
Fatimah Azman –
Does the Mares 2S 1st Stage Regulator – INT come with a warranty? I’m not sure if I should invest in this product.
Junhao Lo –
Thank you for reaching out to us, Fatimah. Yes, the Mares 2S 1st Stage Regulator – INT comes with a warranty. We include a 2-year limited warranty with all our regulator products to ensure the quality and durability of our equipment. If you have any further questions or concerns, please don’t hesitate to contact us. We’d be happy to help.
Aminah Abdul –
I’ve had several issues with my old regulator, so I’m very particular about finding a replacement. The Mares 2S 1st Stage Regulator – INT has exceeded my expectations in every way. Excellent product!
Nur Syahira –
I was surprised at how quickly I adapted to the Mares 2S 1st Stage Regulator – INT. The breathing is smooth, and the regulator feels comfortable in my mouth. Overall, I’m very pleased with this purchase.
Amirah Wong –
I’ve been using the Mares 2S 1st Stage Regulator – INT for a few months now, and I’m extremely satisfied with its performance. The regulator is well-made, durable, and reliable. It’s a great investment for any scuba diving enthusiast.