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Seresto 8 Month Flea & Tick Collar for Cats & Kittens

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With its innovative delivery system, the Seresto Flea & Tick Collar for Cats & Kittens offers a breakthrough in flea and tick protection for cats for 8 months. Inside the unique polymer matrix of the Seresto collar are two active ingredients: imidacloprid, which has been used in products recommended by veterinarians for years to control flea infestations, and flumethrin, which effectively repels and kills ticks, larvae and nymphs. These ingredients work together in this unique flea collar to provide dual action against fleas and ticks like no other treatment!

Key Benefits

  • Easy to use 15-inch adjustable collar is perfect for cats 10 weeks or older
  • Kills fleas ands ticks to prevent transfer of organisms that cause disease
  • Provides continuous protection from fleas and ticks for up to 8 months
  • Non-greasy, odorless, water-resistant and easy to use
  • Includes 3 optional reflector clips to help keep your cat visible at night
  • Performance you would get from a topical treatment but in a convenient easy to use collar


The collar is designed with a release mechanism. In the unlikely event of a cat being trapped, the cat's own strength is sufficient to widen the collar to allow for quick release. ALWAYS read the entire product label prior to use.

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  • Item Number
  • Brand
  • Lifestage
    Kitten, Adult


8-month prevention and treatment of fleas and ticks on cats and kittens 10 weeks of age and older. The collar should be worn continuously for the 8 month protection period. Check periodically and adjust fit if necessary, especially when kittens are rapidly growing. Keep the collar in the bag and in the outer packaging until use. Replace the collar after 8 months for optimal tick and flea protection.

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Customer Reviews

Rated 4.6 out of 5 by 571 reviewers.
Rated 5 out of 5 by Better than I expected!! Where I live we have an unbelievable problem with fleas in our yard. I had never had any luck with flea collars in the past so I was not sure that I really wanted to pay a great deal of money for one and not really know if it would work either. I talked to my veterinarian first to see what his opinion was on the effectiveness of the collar and he highly recommended it. About a day and a half after putting this collar on my 2 cats they were flea free! You could literally see the fleas dying and falling off of them! It was unreal. I was ecstatic because I had done everything I knew to do and this was really a last resort. Definitely definitely worth the money! And the best deal I have ever seen is ordering with chewy.com for this product! This company has to be the best I have ever ordered from. I have not had a single problem and I get my order in exactly 2 days everytime I have ordered. Love love love chewy.com and highly recommend the collar! November 10, 2016
Rated 5 out of 5 by The only thing that worked When my indoor cats get fleas, I usually go buy frontline because it is the only flea medicine that would work but last year and this year it seemed to have no effect on the fleas. My cats were miserable. I was afraid to try the cheaper flea treatment because they are very sensitive and it had made them sick in the past. I tried the Walmart brand that said it was like frontline and it had no effect on the fleas either. I was into this like $100 dollars and was so frustrated. So, nothing was working and they were miserable. So i decided to try Seresto flea collar. I bought them at 40% off and worried that they wouldn't keep them on, that they would be sensitive to the medicine on it, or that it wouldn't work. I am so happy to report that it is worth the extra money! After about one minute they didn't even mind the collar, they didn't have any reactions and it killed all the fleas and it is supposed to work for 8 months!! I am using this from now on. Thank you. October 20, 2016
Rated 5 out of 5 by Mind Boggling Never did I ever think I would buy a "flea collar at this price. To be honest, the only reason I did was because I had a good coupon for a chewy order. It is amazing. I have not had one single problem since putting this on my cat!! The kitten was new to our home and came with friends (fleas), he passed them to my dog (who never in 7 years had fleas). After a couple of days, everything was perfect! Happy kitty, happy doggie, happy family!! Definitely on my maintenance calendar! January 15, 2017
Rated 5 out of 5 by Love it! Our dog brought home fleas after being boarded and the minute we got him home he shared them with the cat. This collar is amazing! No mess & no stressing her out and fighting her to put a topical on. I haven't seen a flea on her in months--love it! January 17, 2017
Rated 4 out of 5 by iffy at first I bought 2 , one for each cat,,, one 6 lbs the other 11lb and both go in and out , thru the trap door and fleas can be an issue in the summer. My little cat seemed affected by it at first,,, sleeping a lot, limited appetite and not so playful,, but that seemed to dissipate after 2 or 3 days. The other cat ,, no issues at all.... time will tell if it works for 8 months ... more on this later ;-) January 13, 2017
Rated 5 out of 5 by Good for my cats We have used these collars on our cats before. They don't last eight months, but we can tell the difference for several months. Our cats' fur is too thick for topicals, the collars work much better. January 16, 2017
Rated 5 out of 5 by It works. Had been using a topical flea treatment on my 4-year old cat. She is an indoor cat with occasional supervised trips out into a fenced yard. We were having a problem with flea bites, so I switched to the Seresto collar. No more flea bites. We've had the collar for 9 months with no flea bites. January 14, 2017
Rated 5 out of 5 by Great Product The only thing that works on my cat's flea problem! January 16, 2017
  • 2017-01-19 T07:17:46.235-06:00
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