About this item

• Vet-recommended formula kills & repels on contact so fleas don’t have to bite your dog to die
• Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours
• K9 Advantix II Extra Large Dog provides a 30-day solution for the prevention and treatment of fleas, ticks, mosquitoes, biting flies, and lice in dogs weighing more than 55 pounds.
• Kills fleas within 12 hours of application
• No prescription needed