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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

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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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Rated 4.5 out of 5 by 532 reviewers.
Rated 5 out of 5 by This product works well. If we find a flea on the animals when they come in from outside, the flea is usually acting sick from the K9 Advantix II or is dead. 07/19/2016
Rated 5 out of 5 by Works on mosquitos This is the only flea and tick topical that also works on mosquitos. I highly recommend this product. I have been using it on my dog for 14 years. 07/04/2016
Rated 5 out of 5 by Good stuff I started using this product on my boxer, Nikki about a year ago. I have never noticed fleas on her when applied or ticks. If I do find a tick, it hasn't set in on her yet. I bought a "less expensive" product a few months back when I ran out of K9 Advantix and I was so sorry. She got fleas...within 2 weeks of applying the cheaper version. Never again. She's worth every penny. 07/01/2016
Rated 4 out of 5 by Good stuff! I've never seen a flea or tick on any of my dogs using this product. 06/28/2016
Rated 1 out of 5 by Waste of money This product d d not work at all. Good thing I didn't order the 6 month supply! 06/16/2016
Rated 5 out of 5 by This product was at a great value. I am very pleased with the prices and the delivery of my product. I will be using PetCarRx in the future and will be recommending it to my friends and family. 06/11/2016
Rated 5 out of 5 by Excellent Product To Use I use this every month for control of fleas and ticks & mosquitos on my dogs. It works and I have no problems with any conditions on my dogs, no fleas, no ticks and no mosquitos bites! It is extremely easy to use and apply on my dogs. I highly recommend it, and one application last a month. 06/03/2016
Rated 2 out of 5 by Not nearly as effective against ticks Ticks are not being repelled or killed by this but it is still effective against fleas. 06/03/2016

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