User Advantages

K9 Advantix II Medium for Dogs (11-20 lbs): 30-Day Flea, Tick, Mosquito, and Lice Protection

Protect your medium-sized dog weighing between 11-20 lbs with K9 Advantix II. This 30-day treatment and prevention solution effectively guards your dog from fleas, ticks, mosquitoes, biting flies, and lice.

K9 Advantix II: Kills Fleas in 12 Hours

Experience fast-acting protection with K9 Advantix II. Our formula kills fleas within 12 hours of application, ensuring your pet is protected against these pesky parasites.

Vet-Recommended Formula for Contact Kill and Repellency

Know that our formula is vet-recommended. K9 Advantix II not only kills but also repels fleas, so your dog remains safe without them needing to bite.

Easy-to-Apply Topical Treatment

Application is a breeze with K9 Advantix II. Simply apply as a topical treatment, and it's fragrance-free and waterproof after 24 hours, allowing your dog to play and swim without interruption.

No Prescription Needed

Enjoy the convenience of K9 Advantix II without the hassle of a prescription. This product is available for purchase directly from authorized retailers.

Whether you're protecting your furry friend from pesky bites or ensuring they stay safe from problematic pests, K9 Advantix II is the trusted choice for medium-sized dogs weighing between 11-20 lbs.