Ortho Home Defense 32 Oz. Indoor & Perimeter Insect Killer is designed to protect your home by killing insects both indoors and around the perimeter. This powerful insect killer effectively eliminates ants, roaches, spiders, ticks, and other common home-invading bugs. It creates a lasting bug barrier that provides up to 12 months of control, ensuring your living spaces remain pest-. The formula is non-staining and odor-, making it safe and convenient to use without worrying about damage or unpleasant smells. Model Number: 175110