Advantix II for Large Dogs 21-55 lbs 4 pack is a flea, tick, and mosquito prevention treatment for dogs that weigh between 21 and 55 pounds. This product contains imidacloprid and permethrin to kill fleas, ticks, and mosquitoes, as well as repel new ones. It is applied topically once a month and can provide up to four weeks of protection.

1. Repels and kills fleas, ticks, mosquitoes, and biting flies: Advantix II repels and kills fleas, ticks, mosquitoes, and biting flies. It also kills lice, and aids in the control of mites.
2. Fast acting: Advantix II starts working within 12 hours of application and continues to protect your pet for up to four weeks.
3. Waterproof: Advantix II is waterproof and won’t wash off, even if your pet goes swimming or is exposed to rain.
4. Easy to apply: Advantix II is easy to apply and comes in convenient, pre-measured doses.
5. Safe for your pet: Advantix II is safe for your pet and won’t cause skin irritation or other adverse effects.

K9 Advantix II is specifically formulated for dogs to provide protection against fleas, ticks, and mosquitoes.
It repels and kills icks, fleas, and mosquitoes, repels biting flies, and kills lice.
This broad spectrum protection is a once a month topical application for dogs and puppies.
Just apply once a month and feel good knowing that your dog is protected from parasites that could potentially transmit disease.
For use on dogs 7 weeks and older and that weigh 4 lb. or more.
Waterproof
For dogs 21-55 lb., 4 doses (4 month supply)