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SUNLU PETG Filament Refill 4KG 1.75mm no-spool matte black

SUNLU ★ 3.8/5 · ItemOracle Score Mid-Range

$43 USD
Price subject to change
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SUNLU PETG Filament Refill 1.75mm 4KG, High Speed 3D Printer Filament Refill, No-Spool Matte Black PETG Refill for Reusable Spools Compatible with Bambu Labs Filament Printer, 4 Rolls 1KG/Roll

PETG filament refill compatible with reusable spools and major printers. Easy to install and align on the spool. Customer note mentions good quality and color; some spool compatibility issues reported

Highlights

  • reusable-spool compatibility
  • matte black PETG finish
  • true 1.75mm filament with 4kg total

Pros

  • high compatibility with multiple spool brands
  • easy to install and align on reusable spools
  • matte black color with good print quality
  • no-spool requirement reduces waste

Cons

  • mixed reviews on spool compatibility with some Sunlu spools
  • spool quality can vary by reviewer

Best For

  • reusable-spool setups
  • high-speed printing
  • color-matte finishes
  • compatible with most FDM printers
  • AMS/AMS Lite setups

Features

  • Compatible with SUNLU 2025 new spool and Bambu Lab spools
  • Easy installation on SUNLU reusable spools with alignment markings
  • Refill filament designed to reduce plastic waste while maintaining quality
  • Supports a wide printing speed range from 30mm/s to 600mm/s

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