Effipro the new solution against fleas and ticks and kills upto 100 of fleas and ticks effipro is based on a new formula of the tried and tested agent fipronil an insecticide and acaricide belonging to the phenylpyrazole family which is recognized to be active against fleas and ticks killing fleas within 24 hour and ticks usually within 48 hours fipronil action is fast effective and provides lasting protection fipronil based effipro is practical and affordable easy to apply spot