Effectively control moderate to high infestations of flies, gnats, and mosquitos with commercial-grade 418 Air Guard Flying Insect Killer insecticide. The metered, pressurized insecticide spray is formulated for specific use with an automatic mister dispenser. Emitting this insecticide at regular intervals reduces flying insect populations within hours. Containing pyrethrins, it is a safe and effective choice for use in restaurants, food plants, hospitals, and resorts. Ontario class 4 pesticide.