Merck Insulin Syringes U-40 29 Gauge x 0.5-in
About This Item
Help deliver your pet’s insulin with ease by using Merck’s U-40 Insulin Syringes. Each box comes with 100 needles that are designed to be used with Vetsulin (porcine insulin zinc suspension) 10 ml. or 2.7 ml. These single-use devices are designed for both canine companions and feline friends and are completely sterile, nonpyrogenic and non-toxic. Choose between a 0.5 mL-29 G x 1/2-inch fixed needle or a 1 mL- 29 G x 1/2 -inch fixed needle.
Proudly sourced directly from the manufacturer or their approved distributor. Guaranteed genuine and backed by the manufacturer.
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28 Customer Reviews
Not a good syringe
After almost a year of managing insulin injections, my helpers and I are skilled at administering them without hurting the dog. But with the Merck syringes, my dog yelped every time and started to get nervous when she knew the shot was due. Worse, several times I saw insulin dripping from the needle tip just before injection making it impossible to know how much of the dose the dog actually received. A glucose check at the vet showed she wasn't getting enough. I bought another brand of syringe from the vet and have had no more problems. Painless and no drips. Insulin injections are crucial to the health of my dog . A syringe that a) hurts her and b) does assure accurate delivery after being carefully measured is unacceptable. I will not order them again and would advise others not to.
As others have mentioned, the quality on these is pretty iffy. They get the job done, but the needles are sometimes not straight to the syringe and there are rough edges on the plastic cap and syringe. I'm a little more than half-way through a box of 100 and had to discard two immediately for quality issues. For the cost, these seem like they should have better quality. Lastly, the syringes are individually wrapped which some may like, but I find to be 'just more garbage'. Less focus on the packaging and more on the quality would be my input.
Not very sharp
Not only do these leak from the tip, and don't seem very well made, they also don't seem as sharp as the brand I got from my vet. My cat has started flinching when she gets her insulin injections, which she never did before. Sometimes I can't tell if the insulin actually got into her or just leaked out onto her fur. I'm switching brands.
several of these needles leaked around where the needle joins the syringe. had to send them back for a refund. won't buy them again.
Merck insulin syringes
As always Chewey.com delivered a top quality product. Syringes are individually wrapped. Easy to read.
Price changes too much
Why are these 50 one month and then you get defective syringes and then they are 25 and now they are almost 50 in a 4-6 month period..
These syringes leak! The insulin squirts from the base of the needles!
Our dog has diabetes so we needed these. Nice, smooth operation, but way pricey.
Very easy to read and the price was reasonable. Thin enough needle, so it doesn't hurt my cat.
Syringes leak horribly. Insulin leaks out onto fur before needle can be inserted. Plunger is awful!! Waste of money but can’t be used to inject insulin properly. What a shameful useless product