Create an indoor bug barrier against all listed common household insects with Ortho Home Defense Max indoor insect barrier Refill. Kills ants, cockroaches, spiders, fleas, ticks, scorpions, beetles, earwigs, silverfish, centipedes, millipedes and other insects as listed. This fast-drying formula has no fumes and leaves no stains so you can use with confidence indoors. It spreads easily into cracks, crevices, under appliances and into hard-to-reach places where insects hide in kitchens, bathrooms and basements and around doors and windows. Just attach the Comfort Wand to this refill and it's ready to spray. Use Ortho Home Defense Max indoor insect barrier anytime you see evidence of insect activity or need to put down a preventative barrier to keep bugs out.