Raid® MAX Spider and Scorpion Killer works directly on these pests and kills on contact. It's a fast acting spider spray that helps protect you and your family, whether indoors or outdoors. It's also a roach killer, ant killer, earwig killer and waterbug killer that offers effective protection with no lingering chemical odor. Re-treat every 7 weeks on porous surfaces and every 12 weeks on non-porous surfaces. Spray spiders and scorpions directly.Raid® MAX Spider and Scorpion Killer is part of the Raid® Defense System which uses a combination of products to help fight bugs in your home.