The Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is a scuba cylinder from Poseidon – the pressurised container that holds your breathing gas. Aluminium or steel construction, precision-machined and pressure-tested, it’s the backbone of every dive at Langkawi’s pristine blue waters.
Technical Specifications
| Specification | Details |
| Brand | Poseidon |
| Product | Cylinder Aluminium 3Ltr 200 Bar O2 |
| Material | Aluminium |
| Capacity | – |
| Working Pressure | 200 bar |
| Valve | DIN / Yoke |
| Best For | Recreational diving |
Key Features
- Precision machined: Walls are uniform and strong – holds pressure consistently.
- Pressure tested: Every cylinder is tested before it leaves the factory.
- Standard valve fitting: DIN or yoke – fits any regulator system.
- Durable finish: Anodised coating resists corrosion and scratches.
Suited for Malaysian Dive Sites
The Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Langkawi’s pristine blue waters, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse the outside after every dive.
- Inspect the valve and O-ring before each dive.
- Have it hydrostatically tested on the manufacturer’s schedule.
- Never fill above the rated working pressure.
Final Verdict
The pressurised heart of every dive. The Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is precision-built, pressure-tested, and built to last – the foundation everything else depends on.




Tong Kok Liang –
What is the safety margin of the 200 Bar capacity? Can it handle the extreme pressure of deep-sea diving?
Imran Hanafiah –
Thank you for your question, Tong Kok Liang. The Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is designed and tested to meet international safety standards for oxygen supply. While we can’t provide a specific ‘safety margin’ as it varies depending on various factors, we can assure you that our product is built with premium materials and undergoes rigorous quality control to ensure it can withstand the pressure of deep-sea diving. However, please note that safe diving practices and proper training are crucial when diving at extreme depths. We recommend consulting our user manual and seeking professional advice from certified diving instructors.
Rahman Abdullah –
Can I use the Poseidon Cylinder with other brands of regulators?
Junhao Lo –
Thank you for your question, Rahman! Our Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is designed to be compatible with most brands of regulators. However, for optimal performance and safety, we recommend using our Poseidon regulators specifically designed for our cylinders. If you’re unsure about compatibility or have any concerns, please contact our customer support team, and we’ll be happy to assist you.
Nurul Huda Bte Abdullah –
I love the compact and lightweight design of this O2 tank. It’s perfect for my underwater adventures. However, I wish they had more color options or a different finish to match my diving gear.
Wong Mei Ling –
This O2 tank is a great addition to my diving gear. It’s reliable, durable, and easy to maintain. The price might be a bit steep, but it’s worth it for the quality and performance.
Loh Kai Meng –
I’m quite disappointed that the O2 tank is only available with a shiny aluminum finish. I wish they had a more durable and corrosion-resistant coating. However, the 3L capacity is perfect for my needs.
Ling Ling Tan –
The Poseidon Cylinder Aluminium 3Ltr 200 Bar O2 is well worth the investment for my diving expeditions. I’ve used it for several months and it still looks brand new. I was a bit concerned about the weight, but it’s not too heavy to carry.