India, Oct. 22 -- If your air purifier filters are turning black in a matter of days, this is your sign to help those hefty buys out with these significantly cheaper alternatives for clean air. Don't own an air purifier? All the more reason to invest in these lively pots of nature, to spruce up both your living space and your lungs.

If you need any more convincing, these plants recommendations come NASA-approved!

Toxins it purifies: Formaldehyde, Benzene, VOCs

Where to place: The Peace Lily's elegant, sculptural, calming vibe makes it a good fit for living rooms or bedrooms with indirect light.

Toxins it purifies: Benzene, Formaldehyde, Xylene

Where to place: The Snake Plant's modern, architectural, low-maintenance vibe is ideal foe ...