Quick Summary
The SUNLU Official Filament Joiner is a filament connector for joining 1.75mm 3D printer filament. It is designed to fuse leftover filament on the spool and reduce waste, and the listed package includes 200 PCS PTFE sleeve, a USB cable and usage instructions.
The unit is described as easy to use, with one-click operation, built-in visual monitoring and a display screen to watch the connecting process in real time.
Who It Is Best For
This is for buyers who want to join remaining filament rather than discard it. It is also for users who want to connect same-material filament in different colours for DIY 3D printing projects.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | SUNLU Official, as named in the product title. |
| Product type | Filament joiner or filament connector for 3D printer filament. |
| Filament size | 1.75mm filament is stated, so the item is intended for that diameter. |
| Maximum temperature | Up to 240°C is stated for the connector. |
| Heating time | About 3 minutes to reach 185°C from room temperature is stated. |
| Compatible filament types | PLA, PETG, TPU, ABS, PA and Nylon are listed. |
| Included items | Filament connector, USB cable, 200 PCS PTFE sleeve and usage instructions. |
| Power note | No power adapter is included, and a 5V 2A adapter is recommended in the description. |
| Operation | One-click operation is stated, with a display screen and visual window for monitoring. |
Why Buyers Choose It
- The stated ability to fuse remaining filament can help reduce waste from partial spools.
- The option to fuse same-material filament in different colours supports mixed-colour DIY print projects.
- The display screen and visual window give a clearer view of the joining process.
- The included 200 PCS PTFE sleeve means the package contains a large quantity of sleeves for filament-to-filament joining.
How It Works
- Place the filament in the connector and choose the temperature that matches the filament type.
- Use the one-click operation to start heating.
- Monitor the process through the built-in visual window and display screen.
- Allow the filament to fuse, then use the joined filament as needed.
What To Know Before You Buy
Check that your filament is 1.75mm before ordering. The connector is listed for PLA, PETG, TPU, ABS, PA and Nylon, and the description also notes that a power adapter is not included. A 5V 2A adapter is recommended for correct power-on.
Review the included items carefully if you need a complete setup, as the package contains the connector, USB cable, PTFE sleeve and instructions rather than a power adapter.
Common Buyer Questions
Can it join leftover filament from a spool?
Yes. It is described as helping to fuse remaining filament on the spool.
Does it work with 1.75mm filament?
Yes. 1.75mm filament is specifically stated.
What filament types are listed?
PLA, PETG, TPU, ABS, PA and Nylon are listed in the product information.
Is a power adapter included?
No. The package does not include a power adapter, and a 5V 2A adapter is recommended.
Final Buying View
If you need a filament joiner for 1.75mm 3D printer filament, this SUNLU unit gives you a straightforward way to fuse leftover filament and use the included PTFE sleeves. Check the filament diameter, the listed material type and the power-adapter requirement before ordering.
