Raid Ant & Roach Killer 26, Fragrance Free, 17.5 oz (2 ct) Roach Spray kills on contact and keeps killing with residual action for up to 4 weeks Kills Roaches, Ants, Silverfish, Crickets, Earwigs, Household Spiders, Multicolored Asian Lady Beetles, Stinkbugs Leaves no lingering chemical odor This easy-to-use roach spray can be applied to surfaces where ants, roaches and other listed bugs may be infesting Retreat every 4 weeks as necessary to maintain control of indoor surfaces