Have you seen jefftk's ceiling air purifier? Post: https://www.jefftk.com/p/ceiling-air-purifier https://www.jefftk.com/p/ceiling-air-purifier HN Discussion:

Have you seen jefftk's ceiling air purifier? Post: https://www.jefftk.com/p/ceiling-air-purifier https://www.jefftk.com/p/ceiling-air-purifier HN Discussion: https://news.ycombinator.com/item?id=31590773 https://news.ycombinator.com/item?id=31590773