Meet the T-4000
Two 2L cylinders.
One 4L setup.
The TRIMIX T-4000 combines two 2L cylinders in a twin-cylinder assembly with a shared manifold, a hose-connected breathing assembly and a carrying vest.
Choose Black or Green, then choose your package. Add a scuba refill adapter, select a full-face mask setup, or choose the Green kit with an air compressor.
The twin-cylinder assembly
See how it comes together.
Both colors use the same twin-cylinder layout. The selected package determines which additional equipment is included.
- 4L total cylinder capacity
- Two 2L cylinders sit side by side beneath a shared manifold.
- Hose-connected breathing assembly
- The breathing connection sits at the end of a hose rather than directly on the cylinder.
- Extended pressure gauge
- A hose-connected gauge places the pressure reading away from the cylinder assembly.
- Carrying vest
- A back-mounted vest holds the twin-cylinder assembly and is included in each listed package.
Choose your package
The right equipment.
A clear view of what is included.
Select a color and package above to display its matching photo. The optional equipment shown below belongs only to its named package.
Standard
Includes the two 2L cylinders, shared manifold, hose-connected breathing regulator, pressure gauge and carrying vest. Available in Black and Green, as shown above.
With scuba refill adapter
The Standard kit plus a scuba refill adapter for transferring air from a compatible larger scuba cylinder.
Available in Black and Green. The larger supply cylinder is not included.
With full-face mask
Includes the twin-cylinder assembly, shared manifold, hose and pressure gauge, carrying vest and full-face mask, as shown in the matching package photo.
Available in Black and Green. A scuba refill adapter and air compressor are not included in this package.
With air compressor
The Standard kit plus the air compressor shown in the package photo.
Listed in Green. Confirm the compressor power requirements and compatible filling setup with TRIMIX before ordering.
Each package contains one T-4000 twin-cylinder assembly. Black and Green photos show alternative colors, not two kits supplied together.
At a glance
T-4000 specifications
Check the cylinder markings and supplied instructions for filling, operating limits and maintenance.
| Model | TRIMIX T-4000 |
|---|---|
| Total cylinder capacity | 4L (2 × 2L) |
| Cylinder configuration | Twin cylinders with shared manifold |
| Working pressure | 200 bar / 20 MPa |
| Reference breathing time* | Approx. 30–45 minutes |
| Breathing connection | Hose-connected; regulator or full-face mask according to package |
| Colors | Black / Green |
| Carrying system | Back-mounted vest |
| Packages | Standard; With scuba refill adapter; With full-face mask; With air compressor (Green) |
*Actual duration varies with depth, breathing rate, activity and starting pressure.
Plan your refill
Choose a compatible air supply.
Air compressor
Confirm that the compressor and filtration provide suitable breathing-quality air at the cylinder’s rated filling pressure. The compressor is included only in the named package.
Larger scuba cylinder
A compatible refill adapter connects the assembly to a larger supply cylinder. Confirm the valve connection and filling procedure before use.
Professional fill station
Check with your local dive center about the required cylinder markings, inspection status and fittings before arranging a refill.
Use the instructions supplied for the cylinder assembly and filling equipment. Refilling times depend on the equipment and source pressure.
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