This highly-effective Can-Vet Barn and Dairy Fly Shield livestock insecticide protects barns and other farm buildings from a number of attacking pests, including cockroaches, mosquitoes, wasps, hornets, spiders, ants, crickets, house flies, face flies, stable flies, horn files, horse flies and sucking lice. The insecticide is designed for use with a fogger/space sprayer. Ontario Class 4 pesticide. Flammable. Remove all animals from building before use. Wear proper PPE. Do not use in dwellings.