Exhaust Fan Filter Module
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Removable filter I design for my exhaust fan for the Next Gen enclosure (sold by Printed Solid and Matterhackers).
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- Printables
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- Creative Commons — Attribution — Noncommercial — Share Alike
How this project started:
After researching VOCs I'm still more comfortable exhausting them out of the house when dealing with things like ABS. I do have a really good air filter with a carbon filter, plus HEPA/carbon scrubbers inside the enclosure.
Description
I'm continuing to modify my NextGen enclosure, so it works for the space and setup I have. This is an addition to my enclosure exhaust fan design:
NextGen Enclosure Exhaust Fan Adapter by AKA | Download free STL model | Printables.com
This filter is for fumes from PLA or PETG if you happen to have a brand that puts off an unpleasant odor. I had a few rolls and wanted to help clear the air a bit better.
This is NOT a professional grade air scrubber/purifier and should not be considered and effective remedy for removing toxic VOCs and fumes.
For ABS, ASA and other filaments that put off toxic fumes when printing I recommend venting out of the house/work area completely.
Parts List:
- Next Gen Enclosure Exhaust Fan adapter listed above
- Roomba 800/900 Replacement Filter x2
- Activated Charcoal (for fish tank or other source)
- Storage container when not in use
Print Settings:
- Default PrusaSlicer settings for PETG @ 0.30mm quality (PLA would probably be fine as well)
- Supports: None
Assembly:
- Place a layer of activated charcoal in the bottom of the printed filter module. Use a paper town or something similar. It's messy.
- Shake gently to remove any smaller/loose bits (you also don't want the dust to go everywhere).
- Place the two Roomba filters on the top of the printed part, push in place firmly.
- The entire assembly fits into the slots on the top of the exhaust fan assembly.
- When not in use, remove and place in an airtight container to help preserve the activated charcoal.
Change Log:
- 10-31-2022
- Added Filter Attachment_R2: Expanded lip around full bottom edge for easier placement and a better seal.