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 on, drop free pipette. Not to be used on kittens less and 2month old or weighing less than 1kg. Re-apply every 4 weeks for cats. Effipro can be bought as a single pipette or in packs of 4 or 24 pipettes, see drop down list for more details.