Zodiac Spot On Flea & Tick Control for Medium Dogs

For dogs 31-60 Lbs. Kills and repels fleas, ticks and mosquitoes for up to 30 days. Contains (S)-Methoprene, Insect Growth Regulator (IGR), to kill flea eggs for up to one month. Pet SpecifixTM applicator shape helps prevent misapplication on cats. Longer applicator tip for easy application to long-haired dogs. 4 month supply.