Seresto Flea Collar for Large Dogs
- SKU: D105-9001
- Brand: Seresto
- Easy to use, non-greasy, odorless flea & tick protection, in a convenient 8-month collar
- Kills and repels fleas and ticks through contact. No biting required
- Veterinarian Recommended
- Water-resistant, No need to remove for swimming or bathing
- Economical: Compare the cost of monthly treatments to Seresto
- For dogs and puppies over 7 weeks and above 18 pounds
- Dogs under 18 pounds will need Seresto for Small Dogs
- 27.5" collar
We stock Seresto for Small Dogs and Cats too!
Truly unique technology for your dog
Seresto® is a unique polymer matrix collar that offers a continuous supply of two active ingredients: imidacloprid and flumethrin for effective 8-month protection against fleas and ticks. That's one convenient, non-greasy, odorless flea and tick collar instead of 8 monthly treatments.
The active ingredients are stored within the collar. They are released in low concentrations and are distributed over your dog's hair and skin surface for 8 months. As active ingredients wear off over time, Seresto® for dogs continuously replenishes the skin and coat with a new supply of active ingredients. Fleas and ticks are killed through contact with the active ingredients — no biting required.

Questions & Answers (61)
Ask a Question-
Question:
My dogs are 20 and 23 pounds. Should I get a small collar?
By Cathy
Answer:If your dogs are over 18 lbs - they are in this case - you should use the large size collars. The collar is adjustable.
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Question:
Do you make collars that will fit a 75 lb german shepherd?
By Glenda S.
Answer:Seresto for Large dogs will fit your dog.
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Question:
My puppy 3 months is that ok
By Sharon O.
Answer:Yes, Seresto is safe for use in puppies aged 7 weeks of age and older.
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Question:
Your large collar will not a Newfoundland. Can you attach them and put them together A large just doesn't do it. Thank You
By Judith J.
Answer:We don't recommend getting 2 collars and putting them together.
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Question:
Will a small collar fit a 20lb malti/poo? Thankyou.
By Barbara
Answer:Yes itt will.
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