Build a bug barrier to give your home 12 months of protection from ants, roaches, and spiders (indoors on nonporous surfaces) plus protection from other insects with the Ortho Home Defense Insect Killer for Indoor & Perimeter2 and Refill Bundle KILLS BUGS: Controls ants, roaches, spiders, beetles, fleas, weevils, borers, armyworms, bagworms, cockroaches, chinch bugs, earwigs, flies and other insects (as listed) QUICK CHANGE: It's easy to use the refill bottle - simply remove the Comfort Wand from the empty bottle and insert the hose connector into the spout on the refill container WHERE TO USE: Use indoors to kill and control insects and then take it outside to create an insect-barrier around a house's perimeter; people and pets can enter the treated area after the spray has dried TARGET YOUR TREATMENT: The reusable Comfort Wand has multiple settings, simply adjust the spray pattern for the area you'll be treating then use the one-touch continuous spray action to easily apply