Start to kill ants, roaches and spiders fast with Ortho® home defense max ant, roach and spider1 spray. The spray produces no fumes, just results. The sprayer works when used at any angle, even upside down. This insect spray kills and prevents ants, roaches and spiders indoors on Non-porous surfaces for up to 365 days. It also kills beetles. with Ortho® home defense max ant, roach and spider1 spray, you'll have long-lasting indoor bug control.