Quick Summary
The TUXING 2.5L Carbon Fiber High Pressure Composite Cylinder is an empty diving, scuba, and PCP air tank with an M18*1.5 neck thread. It is described as a 4500 psi composite cylinder with CE / EN approval, and the empty-bottle format matters if you need a tank rather than a filled cylinder.
Because this is a pressure vessel, the stated pressure, thread size, certification, inspection cycle, and service life are the main details to compare before choosing an offer.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | TUXING, which identifies the product line. |
| Product type | High pressure composite cylinder / air tank for diving, scuba, and PCP use. |
| Capacity | 2.5 L, also listed as 2500 cc and 153Cicapacity, so check the stated capacity against the use case. |
| Pressure | 30 mpa / 300 bar / 4500 psi working pressure. |
| Thread | M18*1.5 neck thread. |
| Certification | CE / EN approved, and not DOT approved. |
| Inspection cycle | 3 years. |
| Service life | 15 years. |
| Condition | Empty bottle, so it is not a filled tank. |
What to Compare Before Buying
- Thread size: The neck thread is M18*1.5, so it should match the required connection for your setup.
- Pressure rating: The stated working pressure is 4500 psi, so compare that rating with the pressure requirement of your equipment and fill setup.
- Capacity: The stated size is 2.5 L / 2500 cc, which is the key figure if tank volume affects your use.
- Certification: It is CE / EN approved and not DOT approved, so regional acceptance matters.
- Condition: This is an empty bottle, so it is meant for buyers who need a tank without contents.
Compatibility, Size and Fit
The main fit check is the M18*1.5 neck thread. That thread must match the part or adapter used with the cylinder. If the connection standard does not match, the tank will not be the right choice.
The 2.5 L capacity is another key selection point. Buyers who need a different volume should compare the stated capacity carefully before choosing a version.
Before You Decide
Confirm the M18*1.5 thread, the 2.5 L capacity, and the CE / EN approval before choosing an offer. This cylinder is an empty bottle, so it only fits buyers who need that format. Because it is a pressure vessel, follow the manufacturer’s instructions and any applicable inspection requirements.
Breathing-Air Suitability
If considering this cylinder for scuba, do not rely on capacity, pressure, or thread size alone to establish suitability for breathing-air service. Confirm that the exact cylinder is approved for the intended service and that its filling and handling requirements are met before use.

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