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🐾 Keep your best friend pest-free and stylish for 7 months straight!
The Hartz UltraGuard Flea & Tick Collar offers professional-grade, 7-month protection against fleas and ticks for dogs and puppies with necks up to 20 inches. Its water-resistant, fresh-scented formula ensures continuous effectiveness even during rainy playtime, while the adjustable design guarantees comfort without interfering with your pet’s daily activities.






| ASIN | B0009F3MLU |
| Active Ingredients | Tetra |
| Age Range Description | All Life Stages |
| Allergen Information | Latex |
| Best Sellers Rank | #710 in Pet Supplies ( See Top 100 in Pet Supplies ) #3 in Dog Flea Collars |
| Brand | Hartz |
| Brand Name | Hartz |
| Customer Reviews | 4.2 out of 5 stars 15,423 Reviews |
| Included Components | 7 month Collar (1) |
| Item Form | Collar |
| Item Type Name | Ultraguard Dog Flea & Tick Collars |
| Item Volume | 0.67 fluid ounces |
| Item Weight | 3.13 g |
| Manufacturer | Hartz |
| Manufacturer Part Number | 032700804848 |
| Model Number | 032700804848 |
| Scent | Fresh scented |
| Scent Name | Fresh scented |
| Target Species | Dog |
| UPC | 032700804848 |
| Unit Count | 1 Count |
| Volume | 0.67 fluid ounces |
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.
A**S
Great flea/tick collar
2nd time purchasing this. They works great for my 19mon old Dobie. Have had no issues with fleas or ticks.
M**N
Price
Extremely effective and it does a great job for its price
L**D
Not great
This was easy to put on. I don’t know how well I would say it worked though. I think fleas just love my dog cause no matter what we try to get rid of them, nothing seems to work
A**.
THESE ARE A DANGER TO PETS AND HUMANS
THESE COLLARS ARE EXTREMELY DANGEROUS! I wish I would have educated myself on these collars before purchasing them. One of my dogs is on the verge of death after wearing one for a week. My dog is seven years old and still very active. Yesterday he stopped getting up for food, to go to the bathroom, to play with the other dogs..... I took him to the emergency vet at 4 am this morning before realizing the collar was the only thing that has changed in his routine recently. I immediately began researching and found a large number of reviews describing the same symptoms in their dogs.
C**A
Good
Works well
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.
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
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
1 month ago
2 weeks ago