12 Best Houseplants for Improving the Air Quality In Your Home 3. WEEPING FIG (Ficus Benjamina) Helps filter out formaldehyde, benzene and trichloroethylene. Pages: Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13