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Core One L hepa-carbon filtration unit. — image 1
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Core One L hepa-carbon filtration unit.

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Magnetic mounted filter box utilizing vacuum hepa filters, carbon pellets, and two 40mm 24 volt fans.

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Model information

License
Creative Commons — Public Domain

Parts needed:

  1. Mini vacuum hepa filters https://www.amazon.com/dp/B0FWGYBH91?ref=ppx_yo2ov_dt_b_fed_asin_title

  2. Neutral PH carbon media

  3. Two 40mm 24 volt fans.

  4. Two 10x2 magnets.

  5. Wire, shrink tube, solder

Directions:

  1. Print both parts out of PETG or a material with greater temperature resistance (asa/abs/etc)

  2. Snap fans in.

  3. Guide fan wires through the hole for routing, I ended up using a piece of solid core bell wire and tape as a cable snake.

  4. Terminate wires accordingly. I used a Noctua extension cable for the connectors so the filter box can be disconnected for service.

  5. Fill media shelf with activated carbon, I ended up overloading it a bit and shook some of the pellets up into the hepa filters.

  6. Glue in two 10x2mm magnets.

  7. Install in back left corner.

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