Submitted by michael on Thu, 01/01/2015 - 16:03 URL http://lifehacker.com/5149643/three-plants-that-give-you-better-indoor-air Kamal Meattle used three just three indoor plant species to increase oxygen, filter air, and boost general health at a a New Delhi business park. You too can use them to freshen your indoor space. Tags Kamal Meattle used three just three indoor plant species to increase oxygen filter air and boost general health at a a New Delhi business park. You too can use them to freshen your indoor space.