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SUNLU Filament Refill 1.75mm,Black+White+Red+Klein Blue

  • Based on 39 reviews
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Availability: In Stock.
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Arrives Friday, Sep 18
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Color: Black+white+red+klein Blue


Material Type: petg Refill 4kg


Features

  • 1Read Before Your Buying- SUNLU PETG Refill filament can not be used directly. It needs to be installed on an empty reusable spool from SUNLU and Bambu Lab before use.
  • 2PETG Refill Filament- SUNLU Refill PETG 3D Printer Filament combines the advantages of both PETG and ABS 3D printer filament, High Toughness and Easy to use.
  • 3Superior Compatibility- PETG Filament refill is fully compatible with reusable spools of SUNLU filament and Bambu Lab filament. You can also print your own spool for seamless use with most 3D printers.
  • 4Enhanced Toughness- Known for its toughness, PETG outperforms many other filaments in durability, making it ideal for creating sturdy and resilient items that can withstand stress and use.
  • 5Economy Pack- Same quality, less cost. If you have reusable spools from SUNLU or Bambu filament, this PETG filament refill will drastically cut down the cost of your printing projects.
  • 6High Impact StrengthWith its high impact resistance, PETG is perfect for printing parts that need to endure bumps and drops, ensuring long-lasting performance without cracks or breaks.
  • 7Smooth PrintingSUNLU PETG filament is specially engineered to reduce stringiness and eliminate clogging, ensuring a smooth and consistent print every time.
  • 8PETG Recommend SettingsWe recommend printing the PETG filament at a nozzle temperature of 240-260C, bed temperature of 60-70C, printing speed of 50-200mm/s.
  • 9Vacuum PackagingSUNLU 3D Printer Filaments are sealed in airtight vacuum packaging which ensures that they remain moisture-free and preserve their quality from the factory to your 3D printer.
  • 10Full Ecosystem Support- SUNLU offers a complete 3D printing ecosystem: 3d filaments, 3d filament dryers, 3d printer resins and post-processing tools - all seamlessly compatible for scalable solutions.

Description

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Brand: SUNLU


Material: petg Refill 4kg


Color: Black+white+red+klein Blue


Item Weight: 4 kg


Item Diameter: 1.75 millimeters


Brand Name: SUNLU


Additional Features: Economy Pack Same quality, less cost for those with reusable spools


Manufacturer Part Number: SLUK-PETG-BK+WT+RD+KB-1KG*4-N-GMSLUS


Unit Count: 4 Count


Manufacturer: SUNLU


Number of Items: 4


Number of Packs: 4


Item Weight: 4 kg


Item Diameter: 1.75 millimeters


Material Type: petg Refill 4kg


Color: Black+white+red+klein Blue


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Sep 18

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • A decent, cost-effective filament option, but beware the learning curve
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
Great strength after printing, requires some tweaking to get print parameters dialed in. No tangles, easily mounted on spools as a refill. I tried to do single-color prints as much as possible; my AMS Lite would sometimes struggle to feed at the required rate to keep up with the print head, leading to stuck filament errors and purges. Printing on the external spool eliminated this problem. Has a relatively glossy/shiny appearance, which seems to be expected with many PETG filaments, in my limited experience. I kept losing prints off the bed because the nozzle bumped or caught on seams and edges. Printing with a Bambu A1 with AMS Lite. I found that this SUNLU PETG filament prints best at ~260°C nozzle temp and 65°C bed temp. I also bumped the Z-hop up to about .5-.6mm, to limit unwanted contact at the workpiece between the layers and nozzle during crossovers. Now that I have used most of the 4 kgs, I feel comfortable with it, but I have to admit it was quite frustrating at first, throwing away partial prints and losing time on the printer. ... show more
Reviewed in the United States on April 8, 2026 by J. Ingram

  • Can't Go Wrong w/SUNLU!
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
Once again, SUNLU does not disappoint. Great quality at a good price. PETG does the job better than PLA for me, and SUNLU PETG works on both my Ender 3s and my Anycubic Kobra S1 flawlessly with no issues.
Reviewed in the United States on July 29, 2026 by ProfessorGT

  • Quality filament
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
Always neatly wound and dry quality filament!
Reviewed in the United States on July 24, 2026 by FlashyFlash

  • good filament
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
good quality my Bambu Labs P2S eats it with no problem
Reviewed in the United States on July 5, 2026 by Sam M Barbakoff

  • Good value
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
Pretty good filament at a decent price. Plus, no plastic spool. Win-win.
Reviewed in the United States on December 18, 2025 by MB

  • Inconsistent, Waste of Money and Time
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
Inconsistent thicknesses with weird deformations, clogging causing errors, waste of time and money. I bought several of these packs and have nothing but problems. To start, the rolls don't fit on what should be Gen 3 spools like Sunlu claims. Ive compared my spools with their Gen 3 and they are the same. This filament is almost oily or slimy in its feel and print, when it prints properly. The consistency seems to change within the spools even with proper drying techniques resulting in print anomolies. And now, the white has clogged my printer 3 times in the middle of multi hour prints requiring me to disassemble the extruder to clear the clog, and yes, I've troubleshot with the manufacturer and other filaments print without these issues after being calibrated. Unless Sunlu can do better, DO NOT PURCHASE! *Update* After trying to reach out to SUNLU, I've been left with only crickets. They are completely unresponsive and I've now had a spool basically disintegrate going through the tubes, leaving residue throughout the entire system. Never had a problem with SUNLU before but now they don't seem to care. 20 spools going in the trash now because I can't trust any of them. ... show more
Reviewed in the United States on November 3, 2025 by Nathaniel T.

  • Not for every SUNLU reusable spool!
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
For the beginning, filament is 5*! But I bought this as a refill for my Sunlu PETG, bought with the spools. Surprise, this refills doesn't fit into this spools. This refills are significantly bigger (wider) than my spools. And yes, old filament was 1kg each too. And now what...I have four refills and four spools, but no chance to get it together. This is no good :-( ... show more
Reviewed in the United States on January 3, 2026 by Petr

  • awesome Kit for my DIY projects
Color: Black+white+red+klein Blue Material Type: petg Refill 4kg
awesome Kit for my DIY projects
Reviewed in the United States on December 29, 2025 by Yoel G.

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