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Advantage II Flea Treatment for Cats Over 9 lbs

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6 treatments
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Advantage II Flea Treatment for Cats Over 9 lbs is a convenient monthly topical flea medicine for cats and kittens 8 weeks of age and older. Advantage II for cats contains an adulticide (imidacloprid) and an insect growth regulator (pyriproxyfen) to kill all life stages of fleas. Furthermore, it kills fleas through contact, so they don’t have to bite your cat to die. One convenient application of Advantage II cat flea treatment keeps working for 1 month.

Key Benefits

  • Contains an adulticide (imidacloprid) and an insect growth regulator (pyriproxyfen)
  • Kills all flea life stages including eggs, larvae, pupae, and adult flea
  • Controls existing fleas and flea eggs and prevents future flea infestations
  • Works through contact, so fleas don’t have to bite to die
  • Provides waterproof protection


9.1% Imidacloprid, 0.46% Pyripoxyfen.

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  • Made in
    United States

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Customer Reviews

Rated 4.7 out of 5 by 429 reviewers.
Rated 5 out of 5 by Works wonderfully Advantage is the only flee preventative I use! A few years ago flees got in the house we are not quit sure how since non of my cats go out side! I have 7 cats, in a weeks time our basement which is also our bedroom we couldn't go down in they were so bad. To add to the problem I have 2 Cockatoo's calling an exterminator was out. We used a powder and vacuumed everything. I bought the other brand and it didn't touch the problem. I called Bayer, their customer service person was wonderful. Bayer will refund all money spent on their product if it doesn't work. That is their guarantee. I did as she told me I applied it to all of my cats and did a follow up in 2 weeks the flees were gone. FYI it is safe to apply this product with in 2 week of the first application to kill the flees in your home if you have the same problem I did. Large parrots. After that we have not had flees at all. I highly recommend this for any cat owner that has indoor only or inside/outside cats. October 3, 2016
Rated 5 out of 5 by Excellent product. Advantage is an excellent product for flea protection. We have used Advantage for all our cats for many years and have not had any problems with flea infestations. I would highly recommend its' use on your cats for their health protection. October 30, 2016
Rated 4 out of 5 by GOOD FOR FLEA CONTROL - NOT GREAT...YET... Our indoor kitties were scratching recently and I noticed fleas on them! Purchased Advantage II and applied as directed. Two of our kitties are not scratching as much but one seems to have a few fleas still on her. The fleas don't seem as active but they are still there. May require another treatment before I am confident that the fleas are gone. October 24, 2016
Rated 5 out of 5 by Always works Best value at chewy and fast shipping! My cats and dogs never have any reactions to advantage. October 26, 2016
Rated 5 out of 5 by Advantage II works I ordered Advantage II for large cat. It was a good price. It was delivered on time. October 28, 2016
Rated 5 out of 5 by Finally flea free! Used Frontline Plus for three months and there was no difference in the population. Cats were suffering all the time. Also completely sprayed the whole house thoroughly for fleas. I bought this Advantage II treatment and in three days the fleas can't be found! Excellent product that works very well. October 22, 2016
Rated 5 out of 5 by Bye Bye Fleas This product works beautifully! Fleas gone within 24 hours! The price of the 6-pack was the best price anywhere! October 21, 2016
Rated 5 out of 5 by Awesome with Fleas! We have 6 cats in our home... I never thought of them being carriers of fleas as they are strictly indoors only. I ordered Advantage II for them, and after applying I haven't seen a flea since! Both on the cats and dogs! We of course treated the house too! I will continue to get this product for them! October 18, 2016
  • 2016-10-31 T06:31:38.050-05:00
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