CRAWLING INSECT KILLER, AEROSOL, 12 CANS PER CASE Non-flammable, virtually odorless combination of high power solvents and insecticides blended to penetrate the insect’s exoskeleton providing quick knockdown and killing action. Residual killing action lasts for up to four weeks. Unique pencil-thin spray aids in treating around window frames, doors, cracks, crevices and in other hard-to-reach areas. (EPA Registered) . 20 net 12.