Large Seresto Dog Collar for Fleas

Item #E8AH


Large Seresto Dog Collar for Fleas

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Seresto Dog Collar for large dogs is the new alternative to monthly topical flea and tick control. Non-greasy, odorless, easy to use, water-resistant, and lasts up to 8 months in dogs. Read More

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Seresto Dog Collar, Large

Seresto Dog Collar kills fleas within 24 hours and ticks within 48 hours after initial application. Re-infesting fleas are killed within two hours and re-infesting ticks on dogs are killed in as quickly as six hours.As the active ingredients wear off the dog, Seresto replenishes the hair and skin with a new supply of active ingredients, providing continuous protection against fleas and ticks for eight months. The Seresto Dog Collar repels ticks on dogs, preventing the tick from attaching and transmitting disease-causing organisms. 

Seresto Dog Collar Benefits:

  • no need to remember monthly applications
  • non-greasy, odorless, easy to use, and water-resistant*
  • active ingredients imidacloprid and flumethrin provide dual action against ticks and fleas
  • BayerÂ’'s Polymer Matrix is designed to slowly and continuously release the active ingredients for 8 months
  • repels ticks on dogs and prevents diseases
  • for use on dogs and puppies 7 weeks and older
  • includes optional reflector tabs that can be attached to collar for safety at night

Small Dog collar is approx. 15"

* Bathing or swimming more than once a month could result in a shorter active period for the collar.

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Reviews (19)

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  1. 5.0 out of 5 stars

    "great protection"

    I have always used Advantix and decided to switch as this is so much easier and less messy and lasts longer.

  2. 5.0 out of 5 stars

    "seresto collar"

    you name it I tried it.The only product to work 100 percent on all 5 of my dogs. not one flea or tick. We live in wooded land and have breeds from long hair to short hair, excellent product.

  3. 5.0 out of 5 stars

    "great stuff"

    never had a flea/tick collar that worked until this one. took a few days but no more fleas or ticks!

  4. 5.0 out of 5 stars

    "It works!"

    In Florida the fleas are formidable, but no match for the Seresto collars. They are expensive, but worth the money.

  5. 4.0 out of 5 stars

    "It works but not as fast as they claim."

    The first 4-5 days the dog was wearing the collar - I was still seeing fleas on the dog and even right under the collar. They were lethargic fleas - but alive. It has been three weeks now and I can't find any more fleas alive or dead and my dog is not scratching anymore.

  6. 5.0 out of 5 stars

    "Works great"

    I previously used flea and tick spot on from the veterinarian, but it got so expensive and the dogs and cats hated it. I just bought my first Seresto collar and it works great and my dog didn't hide from it! We live on a farm and it works great even with them going in the tall grass fields and woods.

  7. 5.0 out of 5 stars

    "So happy"

    I love these..I use to swear by frontline but I guess there were never fleas around. Everyday my dog had more on him so I bought this. After 2 days no fleas. I am so happy with these collars. I got another dog and the first thibg I did was order one for him. The price is very good too

  8. 5.0 out of 5 stars


    I previously used flea and tick prevention I purchased from my vet but the cost was getting too expensive. These collars work. I live on a farm and my dogs are always in the woods or in the fields. No fleas or ticks!

  9. 5.0 out of 5 stars

    "Seresto Flea and Tick collar"

    I have 5 large dogs that stay outside and run in the woods and tall grass. We live on a farm and this is the best thing I have ever found. They kept all my dogs tick and Flea free for a year!!!

  10. 5.0 out of 5 stars

    "good collar"

    Our poor guy was chewing himself raw , it did take longer than 12 hours to kill them but he is now bug free and a happy camper Thank You Bayer for Seresto ! and thank you to Jeffers Pets for prompt service !

  11. 5.0 out of 5 stars

    "Best flea and tick collar!!"

    I have 4 dogs on a farm without any fleas or ticks! Love these collars and Jeffers saves me money on them!

  12. 5.0 out of 5 stars

    "We have 12 dogs "

    And everyone of them has this collar on. We live on a active farm right close to a heavy tree line. We had a flea infestation last year which a company treated for us and this year we tried these collars. So far so good! I bought them in March and not the first flea. My dogs are hard on their collars and they have held up to swimming, ruff housing, dirt, you name it. Our Malinois, border collies and German shepherds ARE HAPPY & FLEA FREE! Worth every penny we spent.

  13. 5.0 out of 5 stars

    "Flea Free for 6 months"

    I will take it! Nothing worked before we bought these collars. We had absolutely no fleas for a solid 6 months. YEA!

  14. 5.0 out of 5 stars

    "Very pleased!!"

    Have purchased 3 of these collars. They work great! No fleas or ticks. Will purchase from Jeffers again. Very prompt shipping and the customer service is exceptional!

  15. 5.0 out of 5 stars

    "Great product! "

    Bought 3 large and 1 small. Live on 18 acres, dogs have no fleas and ticks. A friend of mine that works at vet office recommended these. Saved a lot of money with Jeffers!!!!

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