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Why Do You Need Tetras?
Moisture can damage filaments, leading to issues such as stringing, clogs, layer misalignment, and weak bed adhesion. Tetras eliminates humidity, returning filaments to peak condition for reliable, high-quality 3D printing.



Active Drying
An external active circulation system ensures complete removal of moisture from chambers and prevents moisture reabsorption

Intelligent Storage
Once drying is complete, Tetras automatically maintains sealed condition to prevent reabsorption.
Second-Stage Drying for Maximum Stability
Tetras combines a high-efficiency moisture removal stage with a preheating stable stage that ensures the filament feeding, ensuring consistent performance from filament drying to finish the print.



Intelligent Humidity Maintenance
Automatically switches to humidity mode after drying to maintain preset ideal RH.

Independent Power
No firmware, no integration—Tetras runs on its own power and control system, requiring zero modification to your AMS or printer setup.

Unlimited Drying Time Option
Supports continuous drying with no time limit—perfect for high-moisture materials and long-duration prints.
Product Parameters
Input | US : AC 120V 60Hz |
---|---|
EU / UK / AU : AC 230V 50Hz | |
Rated Power (Single) | 60W |
Rated Power (Whole Unit) | 240W |
Package Size | 430x360x250mm |
Uper Cover Moudle Size | 360x290x135mm |
Net Weight | 4.0kg |
Total Weight | 5.0kg |
Overall height with AMS | 280mm |
Maximum height with cover open | 440mm |
Humidity Range | RH10%~99% 20~65°C |
Temperature Range | (Based on 25°C environment temperature) φ1.75mm |
Filament Size Max Spool Size | Single Spools φ205×68mm |
FAQs
The temperature or humidity is not accurate.
The temperature or humidity displayed on the screen are the values from the sensor's location and
do not represent the temperature or humidity at any other position inside the box. The temperature at the sensor's location approximates the temperature near the filament, but it does not fully
represent the temperature of the filament. When using an external thermometer to measure
temperature, it is recommended to use a laboratory-grade thermometer specifically designed for
measuring AIR temperature. Household indoor thermometers, infrared thermometers, food
thermometers, and similar devices are not suitable for measuring the temperature of this equipment. The humidity value is only intended as a reference for changes in the internal environmental
humidity of the product and does not represent the moisture content or level of the 3D printing filament.
The temperature cannot reach the set value of 65 °C.
When setting the temperature to 65 °C, please ensure that the heating level is set to the maximum . The heating time should be set for more than 1 hour. However, please note that if
your ambient temperature is too low, it may not be possible to reach 65 °C.
The fan alarm is displaying on the screen.
When the fan icon is blinking on the screen, it indicates an error in the fan system, possibly due
to unstable wiring connections or interference with the fan component by foreign objects. If the fan alarm occurs, please contact EIBOS support email promptly for assistance.
The temperature is displaying "LL" on the screen.
When the temperature displays 'LL' on the screen, it is due to a poor connection of the sensor
interface, resulting in inaccurate temperature readings. Therefore, if this error occurs, please contact EIBOS support email promptly for assistance.
More FAQ?
Please check: TETRAS FQA