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At a Glance
8 month protection
Kills and repels fleas and ticks
For use on dogs and puppies 7 weeks and older
Easy, fast-acting, long-lasting, and odorless

Seresto 8mo. Dog Flea & Tick Collar

Seresto™ is a new, easy-to-use flea and tick collar that promises a full 8 months of consistent protection, thanks to their new sustained release technology. Odorless, non-greasy, and long lasting, this collar will change the way you think about flea and tick protection. [+]

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Don't know your pet's weight?
If you can't get them on the scale, try this super simple method:

1) Weigh yourself.
2) Weigh yourself holding your pet.
3)Subtract the two numbers to get their weight.

Too heavy to hold? Your vet will weigh them if you ask (or may already have it on file if you call).
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  • Other Customers Also Bought for their Pet

    Seresto 8mo. Cat Flea & Tick Collar
    • Lasts for a full 8 months
    • Kills and repels fleas and ticks
    • Safe for use on cats and kittens 10 weeks and older
    • Non-greasy, odorless, and easy-to-use
    K9 Advantix II for Dogs
    • Kills fleas and ticks within 12 hours
    • Kills flea eggs, pupae, larvae, and adults for 30 days
    • Kills and protects against mosquitoes, which are the primary cause of heartworm
    • Protect your dog from a variety of disease carrying ticks
    Advantage II for Cats
    • 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 out of 5 by 1720 reviewers.
Rated 2 out of 5by Works on Fleas Maybe - Ticks? - NO WAY!I have 4 dogs and my vet recommended these collars as my flea and tick preventative. I was very disappointed to learn that in about a month after wearing the collar, two of my dogs got into some "seed ticks" . This means that there were perhaps a hundred little bitty ticks attached, feeding, engorged, etc. on these dogs. They were miserable. This ticks were just fine . . .. Prior to that, I had noticed a live tick, attached, engorged and alive on the dogs, but wanted to give these collars a chance. I had to buy some top spot to control the ticks and will never, ever buy these collars again. 08/25/2017
Rated 4 out of 5by Good but... ordered for large dog because he was slightly over 18 lbs. The collar was way too big and although he's had it on for about a month now, he still scratches at it. It is effective though - there is no scratching anywhere else. 07/06/2016
Rated 5 out of 5by Very convenient and effective Easy to put on my dog, and I haven't seen a single tick since I put it on! And we live in CT, so plenty of ticks. Wish my kids could use it too! Also convenient since I don't need to take it off before she swims, and that it don't have to reapply every month. 06/11/2016
Rated 5 out of 5by Great product, just don't buy from PetCareRxWe have used this product for several years and it is the only thing we have found to effectively control fleas. 05/23/2016
Rated 5 out of 5by So easy, just put it on, mark your calendar and it's done.No messy, smelly chemicals. It doesn't get all over the dog's bedding or your furniture (which your dog isn't allowed on anyhow). My dog has not had a tick or flea in the last year plus, since I started using this product and we live on the North Coast of CA, where ticks especially are a problem. 05/02/2016
Rated 3 out of 5by Will not reorderDoes not control fleas as well as IHad hoped! Does what I call a fair job ! 05/01/2016
Rated 4 out of 5by Much easier than spot onsThis collar is much easier and more convenient than the spot ons I've used before. However, it doesn't quite last the seven months when your dog is groomed every six weeks. 05/01/2016
Rated 5 out of 5by PatrickGreat product, so easy to use, do not have the messy, oil!on the dog as in the past. Again, great product 05/01/2016
Rated 5 out of 5by Flea CollarThis is the best Flea killer i ever bought ,my dog is very happy and so is her owner ,with the warm weather coming the fleas are every where ,.now my pets are safe ,and i am to no more annoying bites on my legs . Thank You Mary from ronkonkoma,ny 04/06/2016
Rated 5 out of 5by ease of use is greagtThe length of usage is great, you will forget to change the once-a-month, but this one lasts much longer and the cost is comparable to the once-a-month collars 03/18/2016
Rated 3 out of 5by Not all as promisedI put my black lab on this collar last November. Of course, with the colder weather fleas were not a problem, however, as the weather warmed up she has had a problem with fleas as well as 3 bouts of tape worms, which I understand comes from her ingesting fleas. I do not believe I will invest in this product again - while it is easier to use and supposedly lasts longer, this is only a selling point if it works 03/16/2016
Rated 3 out of 5by CollarThe collar bothered my dog at first but I think it was only because he doesn't wear a collar often. No rash at all and it doesn't seem to bother him. It's so much easier then putting the liquid on his back each month. He hated that and would try to scratch for days. No smell from this collar and it doesn't seem to leave anything on your hands although I always wash mine after I touch it. I'll definitely buy this collar every year 03/15/2016
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