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A comment on Build a do-it-yourself home air purifier for about $25.

Re:Build a do-it-yourself home air purifier for about $25 by patrickbuckley on Wednesday November 14, 2018 @04:19PM (#18454062)
Does anyone know if this type of setup would be good for smokey air from California wildfires?
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Re:Build a do-it-yourself home air purifier for about $25 by rustychris on Wednesday November 14, 2018 @09:29PM (#18456382)
It works - we measured 25 down to 5 ug/m3 drop over 2 hours in an oakland townhouse. Measured with hobby grade (pms5003 from adafruit) hardware, so absolute numbers probably not that accurate, but the effect was clear.
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