K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 2-Mo Supply

K9 Advantix II Medium Dog 30-day treatment & prevention protects dogs 11-20 lbs. from fleas, ticks, mosquitoes, biting flies and lice | Kills fleas within 12 hours of application | Vet-recommended formula kills & repels on contact so fleas dont have to bite your dog to die | Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours | No prescription needed