Hartz Ultra Guard Flea and Tick for Cat and Kitten Collar (2-Pack)

(8 customer reviews)
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Hartz Ultra Guard Flea and Tick for Cat and Kitten Collar (2-Pack)
  • Fresh scented
  • Kills and repels fleas and ticks for 7 months. Can be worn simultaneously with your cat’s regular collar
  • Reflective strip reflects direct light up to 300 feet for added visibility
  • Water-resistant design won’t cause loss of effectiveness if your favorite feline takes a stroll in the rain
  • Features a breakaway, safety release snap

Specification: Hartz Ultra Guard Flea and Tick for Cat and Kitten Collar (2-Pack)

Package Dimensions

5.04 x 3.86 x 1.65 inches, 1.6 Ounces

Item model number


Date First Available

March 5, 2019



8 reviews for Hartz Ultra Guard Flea and Tick for Cat and Kitten Collar (2-Pack)

2.6 out of 5
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  1. Avatar of Dev


    I had bought this because it was the cheaper one compared to Seresto. If you have a lot of fleas it doesn’t kill all of them that get on your pet. I would suggest this more for if you have a inside pet. It does work just not 100%. For the price of the product compared to a 60$ flea collar, it’s not bad. Also I put one on my cat, and I can’t hold her up to my face and pet her because the smell of the collar is pretty strong.

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  2. Avatar of Willowbear


    This product I can actually say does work every fall even though my cats are on flea medicine We tend to get a breakout of fleas These flea collars absolutely kill the fleas start at least a couple hours I would say and they continue to do so. I highly recommend even if you are using a topical medicine if you have a break out they do have a strong odor when you initially put them on but it does go away within the first 24 hours

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  3. Avatar of melody


    The chemical gets all over your fingers when you’re putting it on-or trying to put it on your kitty cat. There’s some sort of stripe obviously chemicals, that flakes off immediately upon putting the collar on.
    One of the flea collars broke when I was putting it on (the plastic piece that you feed the collar through)
    And I have gentle hands!
    They have a funky smell to them also. The brand I used before these had a wonderfully pleasant smell for My Precious Pets.
    I don’t recommend these at all for those who care about their pets!

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  4. Avatar of Jeremy


    Fleas crawling over my cat even more after having this put on him. Messy as can be, you get the white powder everywhere on your fingers and on the cat’s neck trying to put it on. All for you to see more fleas after a week. Bought another brand, Bayer, it cost more but worked a lot better than any of Hartz’s stuff has.

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  5. Avatar of Y Rodriguez

    Y Rodriguez

    Needed some flea collars for my 2 kittens while on a budget. Found these on Amazon, and ordered them. They arrived on time and undamaged. They were easy to put on my kitties, who are indoor-outdoor, and they have never brought a flea into the house! Very grateful that I found this before settling on 2 $70 collars that would’ve left me broke.

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  6. Avatar of Reviewer


    So far so good! I’ll come back and give 5 stars if it actually works!

    Price is right (don’t raise it!).
    Smell is very pleasant to me, I don’t know if my cat likes it.
    2 collars in the order which seems like good value.
    Cat does not like having the collar on I don’t know if that’s the scent or the fact he has never worn a collar of any kind and he’s 15 weeks so maybe he just doesn’t like any type of collar I don’t know.

    This seems like a 5 star product if it actually works (I just put it on him today). I got for $10 and Prime shipping so if it works and they don’t raise price this is a 5 star product 100%

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  7. Avatar of Anteater


    I have 3 cats, these collars did not work well for us.

    We purchased these a couple weeks ago. We have used collars in the past.

    One of our cats ***really*** didn’t like the collar. The collars have a strong odor and he wasn’t having it. We had difficulty keeping it on. Once on, there were the evil looks. After a day or two the smell softened and our cat seems to have forgotten it is there.

    Over the weeks, it seemed that the fleas multiplied and got worse. The cat’s heads were covered in fleas and bites–even under the collar. The fleas even started at us humans.

    Earlier this week, we (removed the collars) bathed the cats, purchased and applied a different type of flea control.

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  8. Avatar of Kay


    This product poisoned our two cats – they were near death. Do not buy. $800 worth of tests and blood work that couldn’t point to anything. we removed the collars when all evidence came back that the only common factor between both cats becoming so deathly ill was the collar within about 1 week of wearing. They became listless, wouldn’t eat, couldn’t get in or out of the car box, acted confused, and were limp, and non verbal. Had difficulty swallowing. We thought we were going to have to put them down.
    within about 18-24 hours without the collars on, we saw improvement. It’s now been about 4 days without the collar- and they are normal again.
    These collars should be removed from the market. I’m convinced that they would have died had we left them on.

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