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🐾 Protect your pup, effortlessly—because peace of mind never goes out of style.
The Hartz UltraGuard Flea & Tick Collar offers professional-grade, 7-month continuous protection against fleas and ticks for dogs and puppies 12 weeks and older. Its water-resistant design maintains effectiveness through rain and play, fitting comfortably on necks up to 26 inches. Featuring a fresh scent and easy adjustability, this collar provides a low-maintenance, reliable solution for year-round parasite defense.






| Active Ingredients | Other Ingredients: 85.45%, Tetrachlorvinphos: 14.55% |
| Allergen Information | Latex |
| Brand | Hartz |
| Dog Breed Size | Large |
| Item Form | Drops |
| Item Weight | 3.13 g |
| Scent | Fresh |
| Scent Name | Fresh |
M**N
Simple to put on
I purchased the Hartz UltraGuard Flea & Tick Collar for my dog, and it has been very easy to use and convenient. The collar is simple to put on and adjust, and it fits comfortably without bothering my pet. Once applied, it provides continuous protection, which is very helpful compared to monthly treatments that require remembering reapplications. I also like that it offers up to 7 months of protection, which makes it low-maintenance and cost-effective. My dog seems comfortable wearing it and hasn’t tried to remove it or scratch at it excessively. The collar is lightweight and doesn’t seem to interfere with normal activity like walking, playing, or sleeping. It also has a clean, simple design that is not bulky. Overall, this is a convenient and practical flea and tick prevention option for dogs. I would recommend it for pet owners looking for long-lasting, easy-to-use protection.
T**H
These actually work great
I get this every spring and our works great for both my Maltese, as well as my Sheltie Heeler mix. We have many stray cats that run around the yards here and fleas are always an overwhelming issue with us dog owners. I started using these's collars a few years ago and in those years not once have we had to deal with fleas, or even ticks. I always get 3 each a year because after about a month is they go to the creek or get their groom, the old ones are not as effective after they are bathed because it's a powder that works threw their fur into their skin. I take off them in the house, and put them back on with their leash to go for walks
G**A
Stop the itch
I liked it. Cheep! Stopped my dog from scratching. Well worth it.
K**H
STINKS AND LEAVES WHITE POWDER BEHIND but work for price.
Seems to be working arrived 6/3 and put on same day. On day 3 and dogs seem less itchy. THEY STINK and LEAVE WHITE POWDER BEHIND. Only negative I see so far and for the price I'll deal with it. Paid $4.15 ea X2
M**8
Good product
Not working as well this year fleas are getting resistant?
A**R
Experimental purchase
I’m giving this a five stars in hopes of this flea collar doing it’s job, I had to give a rating even though results are yet in…that said, this collar is not going around my pups neck, but into the canister of my vacuum cleaner. Fleas are everywhere this time of year. I’ve been told by folks who don’t have pets that they have seen fleas indoors and outdoors. I live in San Diego and evidently from what the Vets tell me we have one of the highest infestations in the country due to our climate..that being said both of my pups are medicated, I vacuum everyday. One of my girls is a Pitty and of course has skin allergies like many do. She is allergic to flea saliva🥹.. One day recently had her at the Vets who mention that putting a piece of a flea collar can help to reduce the number of fleas caught in canister that would have potential to escape back into the living space..hence the reason for my purchsase. The price is right so we will see how well that works.
C**Z
Flea collar and tick
My Chihuahua doesn’t scratch as much thanks to this color. It was meant for me.
J**D
Didn’t work
Got these for my two corgis. Fortunately, didn’t give them any burns or anything. Unfortunately, just didn’t work.
J**.
Waste of Money
Absolute bad and non effective product sold in disguised manner. Unfortunately, it is not eligible for return; this is really fooling the buyers.
M**R
Save your money.
My dog has had it on for more than 3 weeks - no improvement at all. Don’t waste your money.
E**A
No more ticks
My dog used to catch ticks everytime we go on walk. The product is a life changer. I haven’t find or see any ticks on him, it is been a real life saver for our household. My dog is thankful !
M**1
Functional. Sturdy. Durable.
Highly functional
N**N
Very effective
Why did you pick this product vs others?: For ticks
Trustpilot
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