Ortho 1.1 Gallon Bonus Size Ready-to-Use Wand Home Defense Max Insect Killer. It kills existing bugs and prevents new bugs from entering the home in 1 application, with Invisishield Barrier Technology. The new applicator is the easy way to spray, no bending, pumping or hand fatigue. It has 1 touch continuous spray, ergonomic handle, extended reach wand with multiple spray settings. Active ingredients: 0.05% Bifenthrin, 0.0125% Zeta-Cypermethrin.