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How to filter your air (cheap)

The cheapest way to filter your air at home (allergy filter)


To all that are entering cold weather, I am sorry! I originally planned to post this guide sooner but I forgot! Anyway I hope this helped you in some way! There's always next summer

  • Empty 2 liter bottle
  • Sissors
  • Dirt (soil)
  • Seeds
  • Drill (optional)
  • String