There is a beautiful and inexpensive way to purify your indoor air: HOUSEPLANTS. Bringing green plants indoors cleans your air by removing hazardous chemicals such as formaldehyde, benzene and trichloroethylene. Plants filter these toxins and create oxygen, making your indoor environment healthier.
NASA did a study on this very topic and came up with a list of the best plants to kill toxins. Here are a few that came out on top: