Bifenthrin 7.9F Select™ is an odorless, non-irritating to skin, non-phytotoxic residual insecticide that will give you superior, long lasting control. The active ingredient, bifenthrin, not only has a wide range of pests controlled but is approved in key indoor and outdoor areas such as residential, industrial, commercial and food-handling areas. For prevention and control of termites, carpenter ants, and other structural pests.