Ready To Use Rapid knockdown, kill, and repellency for up to 14 days. For use on ponies, horses, dogs, and for use as a premise spray. Kills and repels 14 insects and West Nile. Kills fleas and ticks on dogs. Active ingredients: Permethrin - .2%, Pyrethrin - .1%, N-Octyl bicycloheptene Dicarboximide - .48%.