Dy-Fly Aerosol Insecticide provides instant knock-down/kill of flying and crawling insects in homes and on farms. Contains .5% Pyrethrin and 5% PBO. For use as a premise spray or directly on animals. Controls flies, mosquitoes, gnats, moths, ants, hornets, wasps, spiders, roaches and other insects. For use in dairies, animal quarters, milk rooms and poultry houses. Approved for use in homes and food processing areas.