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:
I have a 105lb Newfoundland, will the seresto collar fit?
By Cari
Answer:It is 27.5 inches (70cm), so it should be ok.
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Question:
one of my dogs is 105 lbs and another one is 20 lbs...do I get the large for both or small for the little one???
By Therese G.
Answer:Both of your pups will need the large collar. The Seresto small dogs collar is only suitable for dogs under 18 lbs.
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Question:
Have a Rottweiler 125# with a neck size of 25” maybe 251/5 will a large Seresto collar fit
By Mike B.
Answer:Yes. Seresto Large is 27.5 inches wide and is adjustable.
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Question:
Is it ok to take it off for baths and swimming and then put it back on? I know you say you don't need to but I was wondering if it is ok.
By Kathy
Answer:Yes, you can take it off for baths and swimming if you want to.
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Question:
I have a German Shepherd Ridgeback mix who weighs almost 90lbs with a lot of skin around his actual neck, will this fit him? Thanks!
By Shell
Answer:The large collar is 27.5" (70 cm.). It should fit your dog without a problem.
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