K9 Advantix II Large Dog 4-Month Treatment by Elanco

Protect your large dog from pests with Elanco's K9 Advantix II, a comprehensive flea, tick, mosquito, and lice prevention solution. Designed for dogs weighing 21-55 lbs, this 4-pack provides a month-long defense per application.

• Vet-recommended formula kills and repels fleas, ticks, and more on contact.
• Waterproof and fragrance-free for easy application.
• No prescription needed for effective pest control.