PuroAir distinguishes itself by using a grade HEPA-14 filter, which removes 99.99% of particles everything from fine dust and pollen to pet dander. Within just a few days of running the purifier in their open-concept living area, the Johnsons noticed markedly fewer allergy symptoms and easier breathing for their people.
https://hackernoon.com/preview..../6866322e93165bd8142
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