Ortho Home Defense Insect Killer for Indoor & Perimeter Trigger Spray, 1 gal. is an effective solution designed to protect your home from unwanted insects. This product works both indoors and around the perimeter of your home to kill bugs and create a lasting barrier against ants, roaches, spiders, ticks, and other common household invaders. It up to 12 months of control, helping you maintain a bug- environment with ease. The formula is non-staining and odor-, making it safe and convenient to use in any area of your home without worry. Model Number: