Ortho home defense max bed bug killer is the second step in a bed bug solution system. This fast-acting spray kills even the toughest bed bugs (pyrethroid-resistant bed bugs) and their eggs. Use it as a spot treatment to kill the bed bugs you see and in the places where they hide. Ortho home defense max bed bug killer spray acts fasts and it keeps killing bed bugs for up to 16 weeks on ceramic (non-porous) surfaces.Use Ortho Home Defense Max bed bug killer spray to kill bed bugs, bed bug eggs, fleas and brown dog ticksUse as a spot treatment around bed frames, headboards, floors and carpetingSecond step of a three-step bed bug solution systemKills bed bugs where they hide