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Spool box air purifier — image 1
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Spool box air purifier

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Instead of throwing the old spool boxes and using the expensive brand purifiers this will solve both problems at once!!!

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Model information

Category
Accessories
License
Creative Commons — Attribution — Noncommercial — Share Alike
  1. Needed materials:

  • 5V DC fan 

  • high frequency ceramic capacitor

  • USB cable

  • wires

  • switch

  • box from filament (preferably geeetech)

  1. Assembly

  1. Consumables:

  • face masks

  • activated carbon

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