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SUNLU PLA Plus Filament Refill 4KG 1.75mm

SUNLU ★ 3.7/5 · ItemOracle Score Mid-Range

$45 USD
Price subject to change
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SUNLU PLA Plus Filament Refill 1.75mm 4KG, 3D Printer Filament PLA Refill, No-Spool Black PLA+ Filament for Reusable Spools Compatible with Bambu Labs Filament, 4-Rolls 1KG/Roll

PLA+ filament refill compatible with reuseable spools and Bambu Lab spools. Easy to install with clearly marked spool interior. Customer note: good quality and value, prints well with some compatibility concerns on SUNLU spools

Highlights

  • reusable spool compatibility
  • 4-kg total with 1-kg rolls
  • PLA+ formulation for strength

Pros

  • compatible with SUNLU and Bambu Lab spools
  • easy to install on reusable spools
  • prints with good quality and value
  • includes multiple rolls (1kg each)

Cons

  • mixed compatibility with SUNLU spools
  • some winding and adhesion variability reported

Best For

  • repairing or upgrading existing reusable spools
  • printing functional parts on compatible printers
  • projects requiring PLA+ material
  • filament substitution on Bambu Lab spools
  • multi-color or multi-project setups with 4kg total

Features

  • Compatible with SUNLU 2025 new spool and Bambu Lab spools
  • Reusable SUNLU spools are easy to install and align inside
  • Recycled-spool mode reduces plastic waste and environmental impact
  • PLA Plus filament is stronger than standard PLA
  • Clear spool interior marking aids correct placement and operation

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