Ortho 0196410 Home Defense MAX Insect Killer Spray for Indoor and Home Perimeter, 24-Ounce (Ant, Roach, Spider, Stinkbug & Centipede Killer) Non-staining Controls up to 12 months (Ants, roaches and spiders indoors on nonporous surfaces.) Creates a bug barrier Kills ants, roaches, spiders and many other listed, home-invading insects Odor-free Fast-acting formula Up to 12 month control Non-staining, odor free Creates a bug barrier