Durvet Dairy Bomb 55 is a powerful insecticide that kills and repels a wide range of pests, including flies, gnats, mosquitoes, moths, beetles, roaches, ants, spiders, and more. It is suitable for use on cattle, horses, and swine, as well as in dairies, milk houses, animal quarters, homes, food plants, and restaurants. Formulated with 0.5 percent pyrethrins and 5 percent piperonyl butoxide in a petroleum-based carrier, it provides long-lasting protection by lingering in the air longer than Dairy Bomb 55Z, keeping animals and facilities pest-free.