The Poseidon Xstream Duration M26x2 1st Stage Regulator is a first-stage regulator from Poseidon – 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 Perhentian’s crystal-clear waters.
Technical Specifications
| Specification | Details |
| Brand | Poseidon |
| Product | Xstream Duration M26x2 1st Stage Regulator |
| 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 Poseidon Xstream Duration M26x2 1st Stage Regulator is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Perhentian’s crystal-clear waters, 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 Poseidon Xstream Duration M26x2 1st Stage Regulator is a reliable, well-built choice.





Ava Wong –
What’s the maximum depth rating for the Poseidon Xstream?
Imran Hanafiah –
Thank you for reaching out to us, Ava. According to the product description, the Poseidon Xstream Duration M26x2 1st Stage Regulator is certified to a maximum depth of 200m. If you have any further questions, please don’t hesitate to ask.
Kevin Chua –
Does the Poseidon Xstream Duration M26x2 1st Stage Regulator have a high flow rate? I plan on diving with nitrox and want to ensure the regulator can handle it.
Imran Hanafiah –
Thank you for reaching out to us, Kevin. Yes, the Poseidon Xstream Duration M26x2 1st Stage Regulator is designed to perform exceptionally well, especially when used with nitrox. The Xstream regulator features a high flow rate, allowing for efficient breathing during dives. Its robust construction and superior materials make it ideal for use in various diving conditions. As the US Navy uses this regulator, you can be confident in its ability to handle the demands of nitrox diving. However, it’s always best to consult the manual and manufacturer’s guidelines for specific information on performance and usage.
Ethan Tan –
I’ve been impressed with the Poseidon Xstream’s performance in deep water dives. The regulator has consistently delivered a smooth flow of air, even at high pressures. The Xstream is definitely a reliable choice for serious divers.
Evelyn Kho –
The Poseidon Xstream Duration M26x2 First Stage Regulator is the choice for divers using air, nitrox, trimix or oxygen. I bought it about a month ago, and so far it’s been fantastic. It’s been certified to 200m, which is a great feature for those who plan to dive deep. As a beginner, I was concerned about its weight, but it’s surprisingly lightweight. I’m extremely happy with this purchase.
Rohan Lee –
I’ve had the Poseidon Xstream for about 6 months now and I’m impressed with its reliability and performance. It’s been used in multiple deep water dives with no issues. The Xstream really outperforms all other regulators, as claimed.
Diana Tan –
Can anyone please tell me how durable the Poseidon Xstream Duration M26x2 1st Stage Regulator is? I’ve been looking into buying it but I’m a bit skeptical about its durability.
Junhao Lo –
Thank you for reaching out to us about your concerns regarding the durability of the Poseidon Xstream Duration M26x2 1st Stage Regulator! We understand that durability is a critical aspect of any scuba diving equipment. The Poseidon Xstream regulator is built with high-quality materials and designed to withstand the rigors of frequent use. It’s certified to 200m and has been used by the US Navy, which speaks to its durability. Many of our customers have reported using the regulator for extended periods without any issues. However, we do recommend regular maintenance and inspection to ensure the longevity of the product. If you have any further questions or concerns, please don’t hesitate to reach out. We’re here to help! Additionally, you may want to read other customer reviews and experiences with this product to get a better understanding of its durability.
Cecilie Wong –
I bought the Poseidon Xstream Duration M26x2 1st Stage Regulator and it’s been performing great. It’s easy to use and clean, which is a plus for beginners. However, the price is a bit steep for me.
Sophia Koh –
How does the Poseidon Xstream compare to other regulators in terms of weight and size?
Junhao Lo –
Thank you for your question about the Poseidon Xstream Duration M26x2 First Stage Regulator. Regarding its weight, the regulator weighs approximately 0.85 lbs (386g) without the second stage. As for its size, the diameter of the second stage is 7.3 inches (184mm), making it compact and easy to manage underwater. Compared to other regulators in the market, the Poseidon Xstream is known to be one of the most efficient and durable options, performing exceptionally well even at great depths. We recommend checking the specifications of other regulators by manufacturers like ScubaPro or Cressi to have a fair comparison. We hope this information is helpful, and we’re here to answer any further questions you may have.
Emily Chen –
Will the Poseidon Xstream work with my existing cylinder setup?
Imran Hanafiah –
Thank you for your question. To determine if the Poseidon Xstream Duration M26x2 1st Stage Regulator will work with your existing cylinder setup, please refer to the product details: the regulator can handle tanks with a pressure range of 200-300 bar, and can be used with a variety of breathing gases, including air, nitrox, trimix, and oxygen. If your existing cylinder setup matches these specifications, the Poseidon Xstream is compatible. If you’re unsure, we recommend consulting with a certified scuba diving professional for personalized advice.
Liam Tan –
I’ve been using the Poseidon Xstream for several months now and I’m impressed with its durability and performance. It’s been used in multiple dives and has shown no signs of wear. The build quality is top-notch.
Natalie Tan –
Unfortunately, I had some issues with the Poseidon Xstream Duration M26x2 1st Stage Regulator. The regulator started to leak after a few months, which was frustrating. However, I think the issue was due to improper maintenance on my part, not the product itself. Overall, I’m still happy with the purchase, but be sure to follow the manufacturer’s instructions for maintenance!
Geraldine Ng –
I have to say, the Poseidon Xstream Duration M26x2 1st Stage Regulator has exceeded my expectations. It’s been a dream to use and the build quality is top-notch. What I like most is the fact that it’s certified to 200m. I would highly recommend it to any diver.