Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Prevention Per Collar, 1 Count
$7.92







Price: $7.92
(as of Oct 17, 2025 05:18:09 UTC – Details)
Tell pesky parasites to ‘bug off’ with the Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs & Puppies. This collar kills and repels both fleas and ticks on pups with necks up to 26 inches for 7 months, and also prevents flea eggs from hatching for over half the year – stopping the flea life cycle and inhibiting reinfestation. The water resistant design remains effective even after getting caught in the rain. Additionally, the Reflect-X Shield reflects direct light for up to 450 feet for an added dimension of nighttime safety. For continuous flea and tick protection from head to tail, replace the collar every 7 months. For use on puppies 12 weeks of age and older.
Directions: Remove collar from package, unroll and stretch to activate insecticide generator. Do not use on puppies under 12 weeks of age. Do not unroll collar until ready to use. Place the collar around the dog’s neck, adjust for proper fit and buckle in place. The collar must be worn loosely to allow for growth of the dog and to permit the collar to move about the neck. Generally, a properly fitted collar is one that, when fastened, will snugly slide over the dog’s head. Leave 2 or 3 inches on the collar for extra adjustment and cut off and dispose of the extra length. Consult a veterinarian before using this product on debilitated, aged or medicated pets. Sensitivity may occur after using any pesticide product for pets. Some animals may become irritated by the collar if it is applied too tightly. If this occurs, loosen the collar. If irritation continues, remove the collar and bathe your dog with mild soap and rinse with large amount of water. If signs continue, consult a veterinarian immediately. Do not use this product on dogs simultaneously or within 30 days before or after treatment of other flea and tick products. However, flea and tick collars may be replaced immediately.
Product Dimensions : 0.75 x 3.75 x 5 inches; 0.12 ounces
Item model number : 032700155933
Date First Available : February 15, 2017
Manufacturer : Hartz
ASIN : B076YHCXPR
Best Sellers Rank: #722 in Pet Supplies (See Top 100 in Pet Supplies) #4 in Dog Flea Collars
Customer Reviews: 4.0 4.0 out of 5 stars 12,545 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Fresh scented
Kills and repels fleas, ticks, flea eggs and flea larvae, plus prevents flea eggs from hatching for 7 months. Can be worn simultaneously with your dog’s regular collar
Reflective strip reflects direct light up to 450 feet for added visibility
Water-resistant design won’t cause loss of effectiveness if your playful pup takes a stroll in the rain
Fits dogs with necks that measure up to 26 inches
For use on adult dogs and puppies 12 weeks of age and older
Customers say
Customers give positive feedback about the flea collar’s reflectiveness, noting it adds extra visibility during evening walks. However, the effectiveness receives mixed reviews, with some saying it works well while others report it doesn’t work at all or kill fleas on their dogs. Moreover, the collar’s durability is also mixed, with some finding it long-lasting while others report it falling off after two days. Additionally, customers disagree on the value for money, with some considering it good value while others say it’s not worth the cost. Skin irritation is a concern, with customers reporting their dogs are still itching and scratching like crazy. The quality and smell also receive mixed feedback, with some finding it excellent while others say it’s not a good product and the smell is awful.
8 reviews for Hartz UltraGuard Pro Reflective Flea & Tick Collar for Dogs and Puppies, 7 Month Flea and Tick Prevention Per Collar, 1 Count
Add a review
$7.92
Madeline Knetig –
Happy dog
Good price for the flea collar, my pit slowed on nothing almost immediately
Bobo-Rock –
works well
I used this flea & tick collar on my 3-year-old Mini Schnauzer after I noticed he had fleas. Within about a week, I didnât see any more fleas at all. It seems to work really well, and itâs an easy, affordable solution for flea prevention. Definitely effective and worth trying.
Daniel Zuniga –
It Works but⦠Monitor Your Animals Closely
It worked, but it caused problems. Iâve bought this collar 3 times and trialed, and I know that correlation isnât necessarily causation, but I feel it is important to put out here.Side effects; my dog experienced not one but two UTIâs after using this. He is 6 months old and with the week of putting on the collar became incontinent. After another week I took him to the vet where he was dx with a UTI. Collar broke the next day, so it didnât last long (big dog, fast growing, snagged and ripped the plastic securement off). His symptoms cleared up, and we went on. I bought another one after this thinking that since he was feeling better he could tolerate the medicated collar again – I was wrong. The exact same slew of symptoms started within the week of applying. Wetting the kennel, incontinence at night, howling while peeing, etc. I took the collar off again, and gave him cranberry supplements on vet recommendation and it took another 2 weeks to clear up. Tried it once more and the second I saw a moment of incontinence I took it off.TL;DR I think my dog is allergic to it or experiencing an unlisted side effect.It functions for the animals who arenât allergic to it. Be aware of your animals normal functions and watch closely for changes. He could have died if we werenât watching the changes medically – we are new dog owners and he had a persistent fever for over 2 weeks and we didnât catch on because we didnât know.
Amazon Customer –
Attracts fleas
Bought 7 collars 2 for dogs and 5 for cats. Hart flea collars attract fleas, they do not kill fleas.I’ve always used seresto collars and they work like magic. Collars weren’t lasting full 8 months so I asked my vet. He said try different collars, maybe fleas population is developing immunity. Didn’t have super high hopes with these because they seemed way too cheap to actually last as advertised. However, 11k reviews with 4 stars what would it hurt to try…..Gave everyone capstar to kill anything on them. Received the collars 2 days later and put them on. No visible fleas on my dogs or cats when collars went on. Some flea eggs, but collar should be working by the time they hatch. Figured we would be good…….11 days my animals had these collars on and the fleas exploded! The dogs had huge nests of flea eggs 2 in away from the collars and huge nest of flea eggs on their bums (not there when collars went on). The fleas were crawling all over them and me! My poor cats weren’t any better with the fleas playing on their collars and crawling all over their faces. Fleas were 4 times worse then when I took the old seresto collars off. They were everywhere!Pulled these collars off received new seresto collars 2 days later. Within 4 days wearing new seresto collars no more fleas on dogs, no more fleas on cats, no more nests of flea eggs, no more fleas in the house.These may work for some, but they definitely did not work for us. Makes me wonder if reviews were skewed.Will stick with seresto, even if they quit working a month early, still way more reliable and cheaper than other options I’ve found.
Mr. Ivan –
It works
I buy this collar every season and it has always worked well for my dog. I havenât had any ticks while using it. You canât beat that price either. Definitely recommend it.
Denise Wettering –
Keep fleas off dog
Didnt keep fleas off ,fleas still went to head
Mitchell L. Merkel –
Flea collars
Made the one vat sick.
Robin N –
Very Satisfied! Highly recommend
I bought two, one for each of my small dogs. They don’t seem to mind it and I was pleasantly surprised that they had bad no odor.