Advantage II for Cats
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At a Glance
Kills fleas within 12 hours
Kills all stages of flea life (eggs, larvae, and adults)
Lasts for a full 30 days
Waterproof
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Rated 4.5 out of 5 by 375 reviewers.

  • Had a flea infestation, works wonders
    I had fleas all over my house and all over my 5 indoor-outdoor cats. After advantage II, the fleas literally disappeared from my animals within days. It helps with fleas in the environment for sure, but it won't get rid of the environmental fleas so you'll have to get an environmental flea killer. by on 03/10/2020
  • Flea medication
    I find Advantage II very effective in preventing fleas. I had used Frontline for many years and it just wasn't doing the job. After changing over to Advantage II, I can honestly say that I have had no problems with my (2) cats and fleas. Both of my cats are indoor/outdoor cats who live in Florida with plenty of sand fleas. This product does the job! by on 01/29/2020
  • fleas
    I love this product...we are overloaded with fleas in our yard this year and Advantage II have been wonderful. If I see one flea on our cats, with in minutes it is dead. by on 07/17/2019
  • Works Great
    My cats go outside, Keeps all my cats flea free. by on 06/22/2019
  • Advantage II for Cats
    This was very easy to use and protected my cats very well. Price was great. by on 03/12/2019
  • Works best for me
    I have 3 cats and this works the best for us. by on 11/05/2018
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