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15 houseplants for improving indoor air quality

By: Julie Knapp on March 1, 2010, 11:50 a.m.
aloe vera plant in pot

Photo: robertivanc/flickr

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Aloe (Aloe vera)

This easy-to-grow, sun-loving succulent helps clear formaldehyde and benzene, which can be a byproduct of chemical-based cleaners, paints and more. Aloe is a smart choice for a sunny kitchen window. Beyond its air-clearing abilities, the gel inside an aloe plant can help heal cuts and burns.