K9 Advantix II is a prescription-free topical flea and tick treatment designed for large dogs weighing 21–55 lbs. This veterinarian-recommended formula kills fleas, ticks, lice, and mosquitoes on contact, eliminating the need for parasites to bite before dying. It also repels biting flies and disease-carrying ticks, providing comprehensive protection against common pet parasites.
Each application delivers up to 30 days of protection, even after bathing or swimming thanks to its waterproof formula. The four-dose pack provides a full month’s worth of monthly treatments, making it convenient for ongoing pest prevention. Safe for puppies 7 weeks of age and older, K9 Advantix II is an easy-to-use solution that prevents flea and tick infestations before they develop.
Features and Benefits
- Kills on Contact: Uses Imidacloprid, Permethrin, and Pyriproxyfen to eliminate fleas, ticks, lice, and mosquitoes without waiting for parasites to bite.
- Waterproof Protection: Maintains effectiveness for up to 30 days even after bathing or swimming, ideal for active dogs.
- Prescription-Free: Available without a veterinary prescription for convenient over-the-counter purchase.
- Prevents Development: Stops flea and tick eggs and immature forms from developing into adult parasites.
- Long-Lasting Formula: One application provides a full month of protection, with four doses included per package.
- Odorless Application: The liquid formulation is odorless and easy to apply directly to your dog’s skin.
Specifications
- Brand: Bayer
- Product Type: Topical liquid treatment
- Size: Dogs 21–55 lbs.
- Count: 4 monthly applications
- Active Ingredients: Imidacloprid, Permethrin, Pyriproxyfen
- Application Frequency: Monthly
- Age Requirement: 7 weeks and older
- Waterproof: Yes
