As an insecticide, Mediclean X-590 kills roaches, lice, fleas, ants, beetles, bed bugs and their larvae. As a bactericide, Mediclean X-590 kills gram negative bacteria typically encountered in sewage backups and toilet overflow situations, and is EPA-registered for spray application. Mediclean X-590 Institutional Spray includes a tracer, which is especially important when proving compliance with local regulations for mattress treatment.