The Zodiac Fogger kills adult fleas, hatching flea eggs, and ticks [houseflies, gnats, cockroaches, carpet beetles, ants, spiders and other listed insects. PRECOR® Insect Growth Regulator, provides 7 months protection by preventing eggs from ever developing into biting fleas. This fogger enables you to fill an entire room with insect-killing fog while you are away leaving no lingering odor or stains.