Among the readily available and inexpensive indoor plants you can get for filtering and soaking up airborne pollutants in your home, the Devil Vine or Devil's Ivy is one hardy and prolific creeper that you should grow in your backyard. When you have some, make some cuttings for desktop plants for indoors too. Devil's Vine has been proven in some bio-studies by NASA on the Internation Space Station to filter benzene and formaldehyde very well. Avoid getting cancer from pollutants that soak the air in your home and get some Devil's Vine potted in some containers for your indoor organic air filter system.