My son suffered from severe allergic reactions as a baby. We had to have HEPA air purifier in our home. These type of purifiers are design to filter really small particulates in the air. This used to be a very expensive product, but today, you can get one for about one hundred dollars. It's healthy to have one in your home. It reduces incidence of allergic reactions to dust in the air.
I like review sites. They do my research work for me, and I can just enjoy the fruits of their labor. Shopping for air purifier is made easier when there's one place you can go and find out more about it. AirCleanersGuide is such a place. Take advantage of it.