Ant, Roach & Spider Killer (Aerosol). Powerful, quick kill Tetraperm(r) formula knocks insects down instantly, prevents nesting, and through residual action, acts as a barrier that prevents insects from entering the home. Indoor/Outdoor control of crawling insects including fleas, ants, crickets, centipedes, scorpions, millipedes, silverfish, bed bugs...Lasts up to 4 weeks. Follow manfacture's instructions on above web link. NOT FOR SALE IN: AK, DC, HI