1/4 inch NPT Adapter for Portable HEPA Filter
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1/4 inch NPT Adapter for PureZone Mini HEPA Filter
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This attaches to the outlet of the PureZone Mini HEPA filter, and provides a ¼ inch NPT threaded interface. You must tap the NPT threads yourself, since there is only a conical hole modeled for tapping. To assemble, you must remove the top fan cover (I recommend spudgers, guitar picks, or anything thin but strong enough to flex the tongues out of their grooves). This design replaces the top fan cover.
I recommend printing in a material with some chemical resistance, like PETG. And supports are probably necessary, given the overhangs that create the flexible interfaces on the sides.
Originally, this was meant to be a fume extractor, but the filter was too weak to clear fumes so I do not recommend using it for that purpose.