With allergens, disease, odors, and dust building up over the winter months, there are many reasons to consider an air purifier for your home. While there are impressive air purifiers you can buy with ...

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It may seem a little Rube Goldberg-ish but a University of Michigan professor has devised a do-it-yourself air purifier that he claims cuts indoor allergens by 90 percent. Made of a cheap box fan and ...