Bronco® e Equine Fly SprayContains 0.033% Prallethrins and 0.5% Piperonyl Butoxide and 0.1% Permethrin to control house, horse, horn, stable and deer flies, mosquitoes and gnats on horses. It also kills fleas and ticks.This product is not safe to use on cats.Bronco® Fly Spray Key Points:Contains 3 Active Ingredients Economical, yet effective Repels and kills stable, horse, face, deer, house, and horn flies, plus mosquitoes, lice, chiggers, and gnats Ready-to-use, water-based formula Pleasant citronella scent.Apply to horse and repeat as needed.View manufacturer and/or label information