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At a Glance
Kills fleas and ticks within 12 hours
Kills flea eggs, pupae, larvae, and adults for 30 days
Kills and protects against mosquitoes, which are the primary cause of heartworm

K9 Advantix II for Dogs

Advantix is one of the most trusted names in flea and tick protection, and for good reason! K9 Advantix II is an easy to use and effective product, beginning to work within 12 hours and lasting for 30 days. [+]

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Customer Reviews

Rated 4.1 out of 5 by 763 reviewers.
Rated 1 out of 5 by Awful!! I put it on and still had live ticks on my dogs for days afterwards. I found 8-12 on each dog each day for a week. Didn't work like it did last year. I called the vet and they said the ticks are immune to it. Waste of money!! June 28, 2015
Rated 1 out of 5 by Doesn't work for me I've used K9 Advantix ll on my little dachshund , and have tried it more than once , and it doesn't help with fleas . So , would I buy your product again ? Sorry no I won't . I wish it did work . I don't know why it won't , I've read your reviews and it seems to work for so many . June 21, 2015
Rated 1 out of 5 by k9-advantix-ii I have 5 dogs and I purchased this product and applied as directed. It has not even been 2 weeks and they have fleas and ticks already. This is expensive stuff and was rated high on reviews. I bathed each dog and let them dry before applying. June 11, 2015
Rated 5 out of 5 by There ain't no Bugs on me!!! Best flea & tick prevention ever! And it's so easy to use. Have been using it for over 10 years and never had a problem. June 6, 2015
Rated 5 out of 5 by Great product We have been using this product for years. It is very effective and keeps away the fleas and ticks! June 6, 2015
Rated 5 out of 5 by Product works very well Use this on my aged beagle. I use a flea comb to check for critters. Have yet to find one. Also have not found one tick. She has experienced serious reactions to other products. K-9 advantix is perfect for her. June 5, 2015
Rated 5 out of 5 by It's Great! We have used K9 Advantix II for a couple of years on our 2 dogs and have not had a single critter infestation! The price is right, the shipping prompt, and the product is great. Thanks! June 2, 2015
Rated 5 out of 5 by Product works great I have been using this product on my short hair Jack Russell/Chihuahua for several years and it has worked great. It is very easy to use and very effective. June 2, 2015
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Customer Q&A

Bayer Flea & Tick K9 Advantix II for Dogs http://cdn.petcarerx.com/img/PrdImg/095x095/11357_001_m.jpg Advantix is one of the most trusted names in flea and tick protection, and for good reason! K9 Advantix II is an easy to use and effective product, beginning to work within 12 hours and lasting for 30 days. 60.29 Condition: new In stock! Order now!
K9 Advantix II for Dogs 4 out of 5 0 based on 763 ratings.