Bayer K9 Advantix II Flea Treatment for XL Dogs 4 Month Supply

K9 Advantix II for dogs works through contact, so fleas, ticks, and mosquitoes don't have to bite your dog to die. Easy to apply, starts working to kill fleas within 12 hours and keeps working for 30 days. Veterinarian recommended. Contains 4 monthly applications for XL dogs (over 55 lbs).

• Works through contact — no biting required
• Starts killing fleas within 12 hours
• 30 days of continuous protection
• Also repels biting flies and kills lice
• 4-month supply for XL dogs (over 55 lbs)

EPA Registration Number: 11556-144 | EPA Est. No. 11556-DEU-1 | NO INTERNATIONAL

Paw & Tail Supply Co. follows all applicable federal and state laws and regulations regarding the sale of the product. We will not sell or ship to states in which the product is not registered as a general-use product.

Want to learn more? Read our complete guide: Flea & Tick Prevention: Year-Round Protection for Dogs and Cats →