Prozap® Dy-Fly® Dairy AerosolDy 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