K9 Advantix II Flea & Tick Spot Treatment for Dogs, 21- 55 lbs, 6 Doses

Helps to protect dogs 21- 55 pounds from fleas, ticks, mosquitoes, biting flies and lice. Starts working within hours of application. Kills and repels on contact, so fleas don’t have to bite your furbaby to die. Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours. No prescription needed.