Ortho Home Defense Insect Killer for Indoor & Perimeter2 is a bug killer spray that kills the toughest home invading insects, including ants, cockroaches, spiders, fleas, ticks, scorpions, earwigs, silverfish, and periodical cicadas (as listed)Provides a long-lasting bug barrier of up to 12 month protection (against ants, roaches, and spiders indoors on non-porous surfaces)Apply this pesticide anytime as a preventative treatment or after you see evidence of insect activityUse this pest control spray with confidence indoors (kitchens, bathrooms, doors and windows) and outdoors (perimeter of foundations, patios and decks, garages) wherever insects are a recurring problemThe Ortho Home Defense Insect Killer for Indoor & Perimeter Refill2 is the easy and economical way to replace any Home Defense Insect Killer for Indoor & Perimeter2