K9 Advantix II Extra Large Dog 6-Month Flea & Tick Treatment – 55+ lbs

K9 Advantix II Extra Large Dog is a powerful monthly topical treatment designed for dogs weighing 55 lbs and over. This waterproof formula kills fleas, ticks, mosquitoes, biting flies, lice, flea eggs, and flea larvae, providing comprehensive protection against common pests. Each package includes 6 monthly doses for long-lasting defense.

K9 Advantix II Extra Large Dog is an advanced monthly topical parasite treatment specifically formulated for dogs weighing 55 lbs and over. Its powerful contact-action formula begins working quickly to kill fleas, ticks, mosquitoes, biting flies, flea larvae, flea eggs, and lice without requiring parasites to bite your dog.

This comprehensive protection helps break the flea life cycle by targeting both adult fleas and immature stages such as eggs and larvae, reducing the risk of recurring infestations. The formula also repels mosquitoes and biting flies, making it an excellent choice for dogs that spend time outdoors.

K9 Advantix II is waterproof after application and provides reliable month-long protection with a convenient once-monthly topical treatment. Each package contains 6 pre-measured applicators, offering up to six months of parasite protection when used as directed.

Why Choose K9 Advantix II?

Fleas, ticks and mosquitoes can be a problem for dogs, specially during warmer months. K9 Advantix II provides a convenient monthly treatment option for extra large dogs.

If you need a flea and tick treatment for dogs 55+ lbs, this 6-dose pack is a practical choice for keeping your pet care routine simple and consistent.

Key Features

• Designed for dogs weighing 55 lbs and over

• Kills fleas, ticks, mosquitoes, biting flies, flea larvae, flea eggs, and lice

• Repels mosquitoes and biting flies

• Helps break the flea life cycle

• Fast-acting contact-action formula

• Waterproof after application

• Easy-to-use pre-measured topical applicators

• Provides up to 6 months of parasite protection

• Ideal for outdoor and active dogs

• Trusted flea and tick prevention formula from Elanco

  K9 Advantix II Extra Large Dog is a veterinarian-recommended topical treatment formulated to provide broad-spectrum protection against multiple external parasites and biting insects. Designed specifically for dogs weighing 55 pounds and over, this advanced formula helps keep your pet comfortable and protected throughout the year.

  Unlike many standard flea treatments, K9 Advantix II not only kills fleas and ticks but also repels mosquitoes and biting flies before they can bite. The formula targets adult fleas, flea eggs, flea larvae, ticks, lice, mosquitoes, and biting flies, helping break the parasite life cycle and reduce reinfestation.

  The easy-to-apply topical solution is waterproof after application and provides protection for up to one month per dose. With 6 pre-measured applicators, this value pack offers up to six months of continuous pest control for large dogs.

  Key Features

  • Designed for dogs weighing 55 lbs and over
  • Kills fleas, ticks, and lice
  • Eliminates flea eggs and flea larvae
  • Repels and kills mosquitoes
  • Helps repel biting flies
  • Waterproof after application
  • Fast-acting monthly protection
  • Easy-to-apply topical treatment
  • Includes 6 monthly doses
  • Provides broad-spectrum parasite and insect control