Ortho 1 Gallon Ready-to-Use Home Defense Insect Killer for Indoor & Perimeter RTU Trigger. This powerful insecticide kills all common listed household bugs, including ants, roaches, spiders, and crickets. It provides up to 12 months of protection and comes with a ready-to-use trigger sprayer for larger areas. The active ingredients are 0.05% Bifenthrin and 0.0125% Zeta-Cypermethrin.