Don't just kill bugs; create a bug barrier with Ortho® Home Defense® Insect Killer for Indoor & Perimeter2. Whether you have ants, spiders, roaches, or any other common insect, you can count on this Ortho® ready-to-use spray to kill and keep bugs out. Good to use indoors in kitchens, bathrooms, and basements, as well as outdoors on decks, around perimeters, and on backyard patios. Long-lasting Ortho® Home Defense® Insect Killer delivers up to 12 months of protection after use. Simply refill and reuse your previous bottle of Ortho® Home Defense® Insect Killer for Indoor & Perimeter2, or plug in the Ortho Comfort Wand® to the 1.33-gal. refill bottle and spray. Use Ortho® Home Defense® Insect Killer for Indoor & Perimeter Refill2 as a preventative treatment, or whenever you see bugs and evidence of insect activity. This formula leaves no residue or lingering odor. People and pets may re-enter once the treated area has dried.